Leni Apriani, and Gibran Ramadhan. “COMPARISON OF STUDENTS’ LEARNING OUTCOMES IN PHYSICAL EDUCATION TOWARDS CERTIFIED AND UNCERTIFIED TEACHERS AT SMA 1 KAMPAR”. Gladi : Jurnal Ilmu Keolahragaan, vol. 16, no. 03, June 2025, pp. 343-54, doi:10.21009/GJIK.163.03.