[1] | Ruseffendi, E.T. 1992. Pendidikan Matematika 3. Jakarta: Depdikbud |
|
[2] | Ronis, D., L. (2008). Problem-based Learning for Math & Science; Integrating Inquiry and the Internet. California: Corwin Press. |
|
[3] | Ronis, D., L. (2008). Problem-based Learning for Math & Science; Integrating Inquiry and the Internet. California: Corwin Press. |
|
[4] | Fogarty, R. (1997). PBL in Other Curriculum Models for Multiple Intelligence Classroom. Melbourne, Vic: Hawker Bronlow Education. |
|
[5] | Branca, N.A., (1980). Problem Solving as a Goal, Process, and Basic Skill. Dalam Krulik, S. (ed). Problem Solving ini School Mathematics. 1980 Yearbook. Reston, VA: NCTM. |
|
[6] | Ruchaedi, D., Suryadi, D., Herman, T. 2017. Pengaruh Problem Based Learning (PBL) Terhadap Kemampuan Heuristik Pemecahan Masalah dan Sikap Matematis Siswa Sekolah Dasar, Jurnal Eduhumaniora Pendidikan Dasar . Vol 7, No 1. |
|
[7] | Rohmah, M. & Sutiarso, S. (2018). Analysis Problem Solving in Mathematics Using Newman Theory. Eurasia Journal Math., Sci Tech.: 14(2), 671-681. |
|
[8] | Minarni, A. & Napitupulu, E. E. (2018). Eight Grade Mathematical Problem Solving Ability: Public School Case. Conference Proceeding of the 3rd Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL 2018). |
|
[9] | Arends, R.I. (20r04). Learning to Teach, 6th Edition. New York: The McGraw-Hill Company, Inc. |
|
[10] | Posamentier, A., S., and Krulik, S. (2009). Problem Solving in Mathematics: Grade 3-6: Powerful Strategies to Deepen Understanding. California: Corwin Publisher. |
|
[11] | Minarni, A. & Napitupulu, E. E. (2017). Developing Instruction Materials Based on Joyful PBL to Improve Students Mathematical Representation Ability. International Education Studies; Vol. 10, No. 9, pp. 23-38. |
|
[12] | Napitupulu. E.E., Suryadi, D., & Kusumah, Y.S. (2016). Cultivating Upper Secondary Students' Mathematical Reasoning Ability and Attitudes towards Mathematics through Problem-Based Learning. Indo-MS Journal on Mathematics Education, Vol. 7. No. 2, pp 61-71. |
|
[13] | Anderson, L.W., et al., (2001). A Taxonomy for Learning, Teaching, and Assessing. New York: Addison Wesley Longman, Inc. |
|
[14] | NCTM. (2000). Principle and Standards for School Mathematics. Reston: VA. |
|
[15] | Resnick, L. B. (1987). Education and Learning to Think. Washington DC: National Academic Press. |
|
[16] | Berg, Laurence, B., & Lune, H. (2008). Qualitative Research Methods for the Social Sciences. Boston: ISBN 9780205809387. |
|