L. A. Istighfara, Satwika Arya Pratama, Cleonara Yanuar Dini, and Ratna Candra Dewi, “The Relationship Between Physical Activity And Macronutrient Intake With The Menstrual Cycle In Members Of The Surabaya State University Tennis Club”, IJHET, vol. 5, no. 2, Jul. 2026.