Yulianti, M., Subagyo, S., Sujarwo, S., Wahyudi, A. , Rubiyatno, R., Suganda, M.A., Suryadi, D. y Herdiyana Bastian, R. 2024. Article RETRACTED due to manipulation by the authors Modelo de aprendizaje cooperativo tipo STAD y modelo de aprendizaje convencional: estudio comparativo de los resultados del aprendizaje de las técnicas básicas de pase inferior en voleibol (STAD-type cooperative learning model and conventional learning model: a comparative study on the learning outcomes of basic volleyball lower passing techniques): Article RETRACTED due to manipulation by the authors. Retos. 55, (jun. 2024), 346–352. DOI:https://doi.org/10.47197/retos.v55.103770.