SPEEK : effect evaluation of a Ghanaian school-based and peer-led sexual education programme

Autor: Krugu, John K., Mevissen, Fraukje E. F., Van Breukelen, Gerard, Ruiter, Robert A. C.
Zdroj: Health Education Research, 2018 Aug 01. 33(4), 292-314.
Databáze: JSTOR Journals