Colak, A., Sahin, I., Soylu, Y., Koc, M., Öcal, T. Julkaisussa Progress in Nutrition (2020) “...Öcal, T....”
Öcal Kaplan, D., Yildiran, I. Julkaisussa Journal of Education and Training Studies (2018) “...Öcal Kaplan, D....”
Adiyaman, P., Öcal, G., Berberoglu, M., Evliyaoglu, O., Aycan, Z., Cetinkaya. E., Bulca, Y., Ersöz, G., Akar, N. Julkaisussa Journal of Pediatric Endocrinology and Metabolism (2011) “...Öcal, G....”
Melekoglu, T., Öcal, D., Baydul, B., Sönmez, M. Julkaisussa Annals of Ovidius University Constanta-Series Physical Education and Sport/Science, movement and health (2012) “...Öcal, D....”