Ruwiyanto, Ruwiyanto, Agus Kristiyanto, and Tri Utomo. 2023. “Swimming Interest Survey on State Primary School Students 4 Wonoboyo Wonogiri”. PROSIDING SEMINAR NASIONAL PENDIDIKAN JASMANI DAN KEOLAHRAGAAN 1 (1), 353-60. https://doi.org/10.33503/prosiding_penjas_pjkribu.v1i1.2354.