Gamification in Vocational Education: A Systematic Literature Review of Strategies, Theories, and Impacts. - Febri Prasetya; Aprilla Fortuna; Agariadne Dwinggo Samala; Welli Andriani; Muhamad Ikhwan Bagus; Irvan Renaldi; Soha Rawas; Santiago Criollo-C; Firas Tayseer Ayasrah (SN Comput. Sci., 2025)