Mahmudi, Kendid, 		Mahmudi, Kendid, AND 		Yushardi, Yushardi.
" PENERAPAN LESSON STUDY MENGGUNAKAN MODEL PBL(PROBLEM BASED LEARNING) DALAM PEMBELAJARAN FISIKA DI SMP" <em>JURNAL PEMBELAJARAN FISIKA</em> [Online], Volume 1 Number 4 (14 February 2021)