Manalu, Nimrot, Ammalina Hudani, Helmina Ria Siregar, Ririn Irena Ririn Irena, and Richa Putri Kinanti. 2025. “The Impact of Menstrual Cycle on Women’s Athletic Performance: A Study on National Athletes of North Sumatra: A Study on Challenges and Opportunities”. Joska: Jurnal Isori Kampar 2 (02): 198-202. https://doi.org/10.53905/joska.v2i02.32.