Hasanah, Uswatun, 		Lesmono, Albertus, AND 		Astutik, Sri.
" PENERAPAN MODEL PROBLEM BASED LEARNING DISERTAI VIDEO TRACKER MATERI MOMENTUM DAN IMPULS UNTUK MEMBELAJARKAN KEMAMPUAN BERPIKIR KRITIS SISWA DI SMA" <em>Saintifika</em> [Online], Volume 21 Number 1 (11 January 2019)