Faridah, E. ., Kasih, I., Nugroho, S., Emilia, E., Irfan, M., Mustaqim, R., Siregar , S., Hasibuan, N. ., Suganda, M. A., & Suryadi, D. (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, 595-601. https://doi.org/10.47197/retos.v59.107464