Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Berbasis Konstruktivisme P…

The purpose of this research has been to produce LKPD based on construktivisme on the subject of acid-base solution valid based on feasibility of content, language, presentation and graphic. The research was conducted in the Faculty of Education and Teachers Training University of Riau on March-June, 2019. The type of this research was Research and Development (R&D) with the 4-D development mod…