Sinaga, Hotman, Universitas Katolik Musi Charitas, Indonesia

• Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 20 No. 2 (2023): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam - Articles
  Identification and Counting of Bacterial Colonies on Mobile Phones Before and After 70% Alcohol Disinfection
  Abstract  PDF