The research was carried out with the aim of developing a teaching material product in the form of Electronic Student Worksheets (E-LKPD) based on scientific numeracy literacy on ecosystem sub-materials that is valid and practical. Development of E-LKPD based on scientific numeracy literacy using development research with the ADDIE Model which is limited to the development stage. E-LKPD based o…
Chitooligosacchride is a complex compound of the glycoprotein group which has a 1,4 glucosamine bond. Chitooligosaccharide as a natural cationic antibacterial agent is widely believed to occur because it interacts and disrupts the structure of the cell wall or cell membrane. This study aims to determine the effect of variations of chitooligosacchride as an anti-acne against Propionibacterium ac…
Physical fitness is one of the conditions that must be owned by everyone, because with a good physique can make people move well without experiencing significant fatigue. Considering that physical fitness has a very important role in training and competition conditions. Therefore, every student is required to have good physical fitness. This study aims to determine the physical tests of SMPN 1 …