N. F. W. Salamy, W. Winarningsih, N. I. P. Kusnandar, and Z. M. El Haque, “Comparative Effects of Monday–Thursday and Daud Fasting Regimens on Serum Testosterone Levels in Male Wistar Rats (Rattus norvegicus)”, BJI, vol. 12, no. 2, pp. 209–213, Jul. 2026.