Ihsan, Nurul, et al. “Article RETRACTED Due to Manipulation by the Authors Mejora De Los Resultados De Aprendizaje De Pencak Silat: Un Enfoque De autoevaluación Basado En Android Para La educación física En La Escuela Primaria (Enhancing Pencak Silat Learning Outcomes: An Android-Based Self-Assessment Approach for Elementary School Physical Education): Article RETRACTED Due to Manipulation by the Authors”. Retos, vol. 58, Sept. 2024, pp. 108-14, https://doi.org/10.47197/retos.v58.103933.