Cahyadi, Ardian, Agus Kristiyanto, Hermawan Pamot Raharjo, Andry Akhiruyanto, Heny Setyawati, and Taufiq Hidayah. “Article RETRACTED Due to Malpractice Model Collaboration of Pentahelix in Sports Industry Development in Lampung Province”. Retos 82 (September 1, 2026). Accessed September 2, 2026. https://www.revistaretos.org/index.php/retos/article/view/119769.