Pengembangan E-LKPD Berbasis Problem Based Learning (PBL) Menggunakan Adobe A…

The development of Problem Based Learning (PBL)-based E-LKPD using Adobe Acrobat XI pro on buffer solution material aims to produce valid E-LKPD and determine user responses to the developed E-LKPD. This study uses the Plomp development model (prelimenary investigation, design, realization/construction, (evaluation, revision and test) and implementation) but this study only reached the validati…