“THE RELATIONSHIP BETWEEN SELF-CONCEPT AND ACADEMIC PROCRASTINATION IN NURSING STUDENTS OF POLYTECHNIC KEMENKES SEMARANG”. Jurnal Perawat Indonesia 7, no. 1 (Mei 30, 2023): 1342–1355. Diakses Januari 24, 2026. https://journal.ppnijateng.org/jpi/article/view/1554.