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), pp. 128–133. doi: 10.24036/semesta/vol5-iss2/83.