Erman, Erman, Postgraduate Science Education, Universitas Negeri Surabaya, Indonesia

• JPPS (Jurnal Penelitian Pendidikan Sains) Vol. 7 No. 2 (2018) - Articles
  DEVELOPMENT OF CHEMISTRY INSTRUCTION MATERIAL USING PROBLEM BASED LEARNING MODEL FOR INCREASING THE STUDENT OF SENIOR HIGH SCHOOL LEARNING ACHIEVEMENT
  Abstract  PDF