Tirta, Gusti Ayu Rai, Physics Education, Universitas Udayana, Indonesia Postgraduate Science Education, Universitas Negeri Surabaya, Indonesia

• JPPS (Jurnal Penelitian Pendidikan Sains) Vol. 7 No. 2 (2018) - Articles
  Development of Physics Teaching Instruments Belong to Cooperative Group Investigation Model to Improve Students Self-Efficacy and Learning Achievement
  Abstract  PDF