Gaya APA

Amin, M. (2021). Program and Abstracts Book 4th Public Health International Conference (PHICo 2021) . Medan: Faculty of Public Health Universitas Sumatera Utara.

Gaya MLA

Amin, Muryanto. "Program and Abstracts Book 4th Public Health International Conference (PHICo 2021)". Medan: Faculty of Public Health Universitas Sumatera Utara, 2021. Text.