Larasati, Mayang, et al. “PENGEMBANGAN MODUL BERBASIS PROBLEM BASED LEARNING PADA MATERI POLIMER KELAS XII SMK MA’ARIF NU 1 SUMPIUH”. JTK (Jurnal Tadris Kimiya), vol. 3, no. 1, June 2018, pp. 32-41, doi:10.15575/jtk.v3i1.2038.