C. Qin and R. Arbas, “Prevalence and Risk Factors of Primary Dysmenorrhea Among Female College Students in Shandong Province, China and Its Association with Academic Performance: Basis for Targeted Intervention Framework”, IJPHMR, vol. 3, no. 2, pp. 76–80, Mar. 2025, doi: 10.62051/ijphmr.v3n2.08.