Pengembangan Lembar Kerja Peserta Didik (LKPD) Berbasis Problem Solving Pada …

This study aims to produce a Student Worksheet (LKPD) on quality material for Environmental Change and Conservation for class X SMA. This research was conducted at the Faculty of Teacher Training and Education, University of Riau, SMAN 1 Koto Kampar Hulu and SMAN 2 Koto Kampar Hulu in October-January 2021. The type of research used was Research and Development (R&D) with the ADDIE research mode…