Widianto, Brian Kurniawan, et al. “RELATIONSHIP BETWEEN CARDIORESPIRATORY ENDURANCE AND ATTENTION AND LEARNING FOCUS OF PHYSICAL EDUCATION STUDY PROGRAM STUDENTS”. Multidisciplinary Indonesian Center Journal (MICJO), vol. 3, no. 3, July 2026, pp. 4115-9, doi:10.62567/micjo.v3i3.3085.