S1 - University of Sumatera Utara (1989)
S2 - IPB University (2000) S3 - IPB University (2008)
Food Microbiology
Biology
Food and Industrial Biotechnology
Physiology
Consumer/Consumption & Networks in Living Systems
Industrial Microbiology
Fermented & Culinary Food
Special Topics in Biotechnology
Special Topics in Biotechnology Pre-research