Faridah, E. (2024) “Article RETRACTED due to manipulation by the authors Eficacia del desarrollo de medios m-gym en el aprendizaje de la gimnasia rítmica para estudiantes y profesores en Indonesia (Effectiveness of m-gym media development in learning rhythmic gymnastics for students and lecturers in Indonesia): Article RETRACTED due to manipulation by the authors”, Retos, 59, pp. 595–601. doi:10.47197/retos.v59.107464.