Pengembangan Lembar Kegiatan Peserta Didik (Lkpd) Berbasis Konstruktivisme Pa…

Abstract : The purpose of this research has been to produce LKPD based on Construktivisme on the subject of chemical bonds valid based on feasibility of content, language, presentation and graphic. The research was conducted in Chemistry Education Department of PMIPA FKIP University of Riau on August-december, 2018. Research is done by research and development research and development (R & D) w…