E. S. Irmayani, T. . Djudin, E. . Oktavianty, H. . Tiur, dan F. Firdaus, “The Relationship between GPA and Prerequisite Courses on the Mastery of Simple Machines Concepts among Physics Education PLP Students at FKIP Untan”, J. Pendidik. Fis. Teknol., vol. 9, no. 1, hlm. 56–63, Jun 2023.