| [1] | Abdurahman. Mulyono., “Children Berkesulitan Learning”, Jakarta: Rineka Cipta. 2012. |
| |
| [2] | United Nations Educational, Scientific & Cultural Organization (UNESCO)., “Education 2030-Incheon Declaration and Framework for Action for the Implementation of Sustainable Development Goal 4, Adopted by the World Education Forum, http://uis.unesco.org/sites/default/files/documents/education-2030-incheon-framework-for-action-implementation-of-sdg4-2016- en_2.pdf, 2016. |
| |
| [3] | Munandar. Utamai., “Creativity and Giftedness Strategy to Realize the Creative Potential and Talent”, Jakarta: PT. Grasindo, 2012. |
| |
| [4] | Johnson, G., “CSSU Curriculum Frameworks”, Math Frameworks, p.1-21. |
| |
| [5] | Birgili. Bengi., “Creative and Critical Thinking Skills in Problem-based Learning Environments”, the Journal of Gifted Education and Creativity, vol.2, no.2, p.71-80. |
| |
| [6] | Sinaga. Bornok., “The book of Model PBM-B3”, Surabaya: PPs Universitas Negeri Surabaya, 2007. |
| |
| [7] | Hudoyo. Herman., “Teaching and Learning Mathematics”, Jakarta: Dapertemen of Education and Culture, 2000. |
| |
| [8] | Sani, R. A., “Learning Innovation”, Jakarta: Penerbit Bumi Aksara, 2013. |
| |
| [9] | Khoiri. Piano., Rochmad., Cahyono., &Adi. N., “Problem Based Learning-Assisted Multimedia in Learning Mathematics to Enhance Creative Thinking Skills”, Unnes Journal of Mathematics Education, vol.2, no.1, 2013. |
| |
| [10] | Saragih. Sahat., & Habeahan. Winmery. L. “The improving of Problem Solving Ability and Students Creativity Mathematical by Using Problem Based Learning In SMP Negeri 2 Siantar”, Journal of Education and Practice, Vol.5, No.35, 2014. |
| |
| [11] | Shahbodin. Faaizah., & Rosli. Zareena. “The use of PBL Math Game as a Problem Based Learning Tool”, The 4th International Research Symposium on Problem-Based Learning (IRSPBL), p. 9-14, 2013. https://vbn.aau.dk/ws/portalfiles/portal/80413319/samlet_1_.pdf. |
| |
| [12] | Ardeniyansah, and Rosnawati. R., “Implementation of Problem-Based Learning in terms of Student Mathematical Creative Thinking”, IOP Conf. Series: Journal of Physics: Conf. Series 1097, 2018, 012111. |
| |
| [13] | Moleong. Lexy. J., “Qualitative Research methodology”, Bandung: PT. Teen Rosdakarya Offset, 2016. |
| |
| [14] | Miles. M. B, and Huberman. A. M., “Qualitative Data Analysis: An Expanded Sourcebook Thousand Oaks, CA: Sage Publications, 1994. |
| |
| [15] | Regulation of the Minister of Education and Culture Republic of Indonesia Number 58, “Curriculum 2013 Middle School/junior secondary school, Jakarta: Culture, 2014. |
| |
| [16] | Mustafa, “Development of learning-oriented Problem-Based Learning Model To Improve the Ability of Metacognition of Students of SMP Negeri 17 Medan”, Masters Thesis: Unimed. Available at http://digilib.unimed.ac.id/26799/. 2017. |
| |
| [17] | Wulandari, “Analysis of the Ability of Metacognition of Students In Mathematical Problem Solving On Problem-Based Learning In SMA Negeri 1 Binjai”, Masters Thesis: Unimed. Available at http://digilib.unimed.ac.id/30724/. 2018. |
| |
| [18] | Davies. &., Snape. Divya. J. Collier. Chris,&Digby. Rebecca, “Creative Learning Environments in Education-A Systematic Literature Review”, Thinking Skills and Creativity 8, 2013, p. 80-91. Contents lists available at Sci Verse Science Direct. http://dx.doi.org/10.1016/j.tsc.2012.07.004. |
| |
| [19] | Suripah, & Retnawati. H., “Investigating Students’ Mathematical Creative Thinking Skills Based On Academic Level And Gender”, International Journal Of Scientific & Technology Research, Vol. 8, 2019. |
| |
| [20] | Maharani. H. R., Sukestiyarno, & Waluya. Budi., “Creative Thinking Process Based on the Wallas Model in Solving Mathematics Problems”, International Journal on Emerging Mathematics Education (IJEME), Vol. 1, No. 2, p. 177-184. |
| |
| [21] | Wahyudi., Waluya. Sb., Suyitno. Hardi., Isnarto, & Pramusita. Santa. M., “Schemata in Creative Thinking to Solve Mathematical Problem about Geometry”, Universal Journal of Education Research, vol.7, no.11: p. 2444-2448. |
| |
| [22] | Sitorus. Jonni, & Masrayati., “Students’ Creative Thinking Process Stage: the Implementation of Realistic Mathematics Education”, Thinking Skills and Creativity 22, 2016, p. 111-120. Contents lists available at Science Direct. http://dx.doi.org/10.1016/j.tsc.2016.09.007. 2016. |
| |
| [23] | Nuha. Muhammad. A., Waluya. S. B, & Junaedi. I wan., “Mathematical Creative Process Wallas Model in Students Problem Posing with Lesson Study Approach”, International Journal of Instruction, Vol. 11, No. 2, p. 527-538. https://doi.org/10.12973/iji.2018.11236a. |
| |