Priscylio, Ghery and Eriani, Parida and Ellizar, Ellizar and Andromeda, Andromeda (2019) Pengembangan Lembar Kerja Siswa Berbasis Problem Based Learning pada Topik Ikatan Kimia. JTK (Jurnal Tadris Kimiya), 4 (1). pp. 1-10. ISSN ISSN print : 2527-6816 dan ISSN online : 2527-6816