Hutapea, D. M. M., A. M. Hutapea, K. M. M. Hutapea, and A. Christina. “Frequent Interruptions With Light-Intensity Calisthenics Reduced Postprandial Hyperglycemia During Prolonged Sitting”. Abstract Proceedings International Scholars Conference, vol. 7, no. 1, Dec. 2019, pp. 666-73, doi:10.35974/isc.v7i1.1999.