Lismayuni, L., Rambitan, V. M. and Lumowa, S. V. (2020) “THE EFFECTIVENESS OF PROBLEM - BASED LEARNING MODEL LEARNING DEVICES”, IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW, 7(02), pp. 51-55. Available at: https://journal.unj.ac.id/unj/index.php/ijer/article/view/23249 (Accessed: 22May2024).