Limbah Kulit Nanas Antarkan KIR Smamda Juara Dunia
Smamda Sidoarjo membawa pulang medali perak. Judul penelitiannya Vapor disinfectant from pineapple peel, cananga odorata extract and tea leaves in a modified air freshener diffuser as a prevention of Covid-19. Artinya, desinfektan vapor kulit nanas, ekstrak bunga kenanga dan daun teh… Read More »Limbah Kulit Nanas Antarkan KIR Smamda Juara Dunia



