Ardian, Roy, Yudik Prasetyo, Sulistiyono Sulistiyono, Fatkurahman Arjuna, Didi Suryadi, Julian Dewantara, Irvan Septianto, and Subarjo Subarjo. “Article RETRACTED Due to Manipulation by the Authors Aplicación De Métodos De Entrenamiento En Circuito Para Mejorar La Condición Física Del VO2max: Un Estudio Experimental En Atletas De Balonmano (Application of Circuit Training Methods to Improve VO2max Physical Condition: An Experimental Study on Handball Athletes): Article RETRACTED Due to Manipulation by the Authors”. Retos 54 (May 1, 2024): 660–666. Accessed June 10, 2026. https://www.revistaretos.org/index.php/retos/article/view/103377.