Muhyi, Muhammad, Muh Hanafi, Abdian Asgi Sukmana, I Gede Darma Utamayasa, and Brahmana Rangga Prastyana. 2021. “The Effectiveness of Krwanjang Game Implementation on Sepak sila’s Skills in Sepak Takraw Game at Surabaya Sepak Takraw Academy”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 7 (3), 367 -77. https://doi.org/10.29407/js_unpgri.v7i3.16148.