Suyanta, S. (2020) “USING THE PROBLEM BASE LEARNING (PBL) LEARNING MODEL TO IMPROVE CRITICAL THINKING ABILITY IN CHEMICAL LEARNING ABOUT TERMOCYMIA FOR STUDENTS IN CLASS XI MIPA 3 SMAN 1 BAMBANGLIPURO BANTUL”, Ideguru: Jurnal Karya Ilmiah Guru, 5(1), pp. 109-114. doi: 10.51169/ideguru.v5i1.119.