[1]
Pratiwi, L., Samsudi, S. and Atmaja, H.T. 2016. Improving Students’ Analytical Ability in Social Studies Learning by Problem-Based Direct Instruction. Jurnal Inovasi Pendidikan Dasar. 2, 1 (Nov. 2016), 35–44. DOI:https://doi.org/10.22236/jipd.v2i1.4518.