Nasihah, Evi, 		Supeno, Supeno, AND 		Lesmono, Albertus.
" MODEL PROBLEM BASED LEARNING (PBL) DISERTAI TUTOR SEBAYA UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS SISWA SMA" <em>FKIP e-PROCEEDING</em> [Online], Volume 3 Number 2 (9 January 2019)