Pengembangan E-Lkpd Berbasis Problem Based Learning Pada Materi Laju Reaksi K…

This study aims to produce an E-LKPD based on Problem Based Learning on a valid reaction rate material according to material experts and material experts and media experts. The subject of this research is material expert and media expert validator. The research instrument was in the form of a material expert and media expert validation sheet. The results showed that the percentage of the av…