Mashud, S. Arifin, A. Kristiyandaru, Y. T. J. Samodra, I. G. P. N. A. Santika, and D. Suryadi. “Integration of Project Based Learning Models With Interactive Multimedia: Innovative Efforts to Improve Student Breaststroke Swimming Skills”. Physical Education of Students, vol. 27, no. 3, June 2023, pp. 118-25, doi:10.15561/20755279.2023.0304.