Wiyanto, E. Cahyono, E. Suwarsi, Parmin
The study to determine; the effective of competency based learning and conservation to developed through lesson study. Apply to descriptive method qualitative research by applying the steps of lesson study. The results of the research tools developed through the course lesson study effective applied. © 2014 Prodi Pendidikan IPA FMIPA UNNES Semarang.
Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Semarang, Indonesia