[1]
Pratiwi, N.W.A. and Manuaba, I.B.S. 2021. The Effectiveness Of A Concrete Media Assisted Project Based Learning Model on Students ’Science Competency. Journal of Education Technology. 4, 4 (Mar. 2021), 465–470. DOI:https://doi.org/10.23887/jet.v4i4.27112.