hasmarita, Sony -, and Sony hasmarita. “Penerapan Metode Pembelajaran Problem Based Learning Terhadap Pembelajaran Renang Gaya Bebas Dalam Matakuliah Keterampilan Aquatic 1”. Holistic Journal of Sport Education, vol. 2, no. 2, July 2023, pp. 71-77, doi:10.52434/hjse.v2i2.2624.