Design To Build A Tool Of Change Of Saltwater To Be Fresh Water As A Solution To Fulfill The Need Of Drinking Water Of Coastal Communities Chemistry, Competition, Science Project, Water|October 16, 2017October 16, 2017by Reyshan These two students are Rizka Amelia, Leonardo Sutomo they are students from Wijaya Putra Junior High School Surabaya which is one of
Utilization of Waste Diapers As Bioethanol, Alternative Solutions to Solve Waste Garbage Problems Chemistry, Energy, Environment, Science Project|October 5, 2017October 7, 2017by Reyshan Preface The use of disposable diapers that are rampantly sold in the market is very useful to facilitate the mother in taking