Abidin, Z., Fibriansari, R. D. and Astuti, A. (2023) “PROBLEM-BASED LEARNING MODEL IN ACHIEVEMENT OF COMPETENCE OF NURSING STUDENTS DURING THE COVID-19 PANDEMIC”, Nurse and Health: Jurnal Keperawatan, 12(2), pp. 156-163. doi: 10.36720/nhjk.v12i2.499.