Febriyani, Silvia Dewi, and Muhammad Fatih Humam. 2026. “Formulating Digital Service Standards: A Case Study of WhatsApp Channel Services at PT. Remen Jawi Yogyakarta”. Journal of Sport Recreation and Leisure Management 2 (1 (Agustus-Januari):19-25. https://doi.org/10.21831/jsrlm.v2i1.3064.