Fitriza Z, Yerimadesi Y, Aini F, Mawardi M, Fitri L, Julianti N, Julianti N, Rivaldo I. Training on the Preparation of Problem Based Learning and Project Based Learning Materials for Chemistry Teachers in the 5th Region of West Sumatera. pelita [Internet]. 31Mar.2022 [cited 14May2024];5(1):8-3. Available from: http://pelitaeksakta.ppj.unp.ac.id/index.php/pelitaeksakta/article/view/175