Njideka Dorathy Eneogu, Jovita Chinelo Ejimonye, Sylvester N Ogbueghu, Robert Azu Nnachi, Michael Eskay and Chinyere Augusta Nwajiuba 2021. Cost estimation of a school-based intervention for improving Hiv/Aids risk perception among secondary school adolescents in Enugu State, Nigeria. Journal of the Pakistan Medical Association. 71, 8 (Apr. 2021), 1–15. DOI:https://doi.org/10.47391/JPMA.1339.