Efektivitas Ekstrak Kacang Kedelai (Glycine Max L. Merr) Pengganti Za Terhada…

This research aims to know the effectiveness of the extract of soybean (Glycine max L. Mer) in lieu of ZA on the quality of Nata de banana skin and analyze potential design Student Worksheet (LKS) in learning biology in high school of research results. This research consists of two stage. The first stage of research that is making nata de banana skin using the experimental method with completel…