Saka*, J., O.-M. Olaoye, O. Nneka, A.-O. Saka, D.-O. Omolola, and H.-A. Rabiyyah. “Primary Dysmenorrhea Among the Adolescents in Kwara State, Nigeria: The Prevalence, Knowledge and Management”. Nursing Practice Today, Vol. 5, no. 4, Oct. 2018, pp. 395-02, doi:10.18502/npt.v5i4.118.