Rafifah, S. (2022). ANALYSIS OF LOCAL WISDOM IN THE FIELD OF BIOTECHNOLOGY IN MAKING CASSAVA TAPAI (TAPAI SINGKONG) IN PETAK TALAO MUNDAM, NAGARI KATAPIANG. SEMESTA: Journal Of Science Education And Teaching, 5(2), 128-133. doi:10.24036/semesta.v5i2.83