Sari LPN, Fajarianingtyas DA, Hidayat JN. VALIDITAS INSTRUMEN PENILAIAN KEMAMPUAN BERPIKIR KRITIS MELALUI MODEL PROBLEM BASED LEARNING MENUJU PEMBELAJARAN IPA ABAD KE 21. LENSA [Internet]. 2020Nov.16 [cited 2024Apr.20];10(2):125-36. Available from: https://jurnallensa.web.id/index.php/lensa/article/view/121