Sihombing, Yuan Alfinsyah, Faculty of Math and Science, Universitas Sumatera Utara, Medan, Indonesia

• ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat - Articles
  Making handwash with the addition of chitosan as an antimicroba in Almujahidah foundation North Sumatera
  Abstract  PDF