Gultom, C., Ruslina Defi, I. and Sungkar, E. (2020) “Association between Self Reported Questionnaire-determined Physical Activity Level with the Cardiorespiratory Fitness in Adolescent”, Indonesian Journal of Physical Medicine and Rehabilitation, 8(01), pp. 2 - 8. doi: 10.36803/ijpmr.v8i01.178.