PENGEMBANGAN CHEMISTRY-MAGAZINE PADA MATERI LARUTAN PENYANGGA.--

This study aims to produce valid learning media chemistry-magazine and to determine the level of validation and students' responses to chemistry-magazine on buffer solution material. This type of research is research and development (R&D). The development procedure of this research adopts Borg & Gall model until the seven stage. The are three validator who are 1 media expert validator, 1 materi…