Matiku Joshua , Joel, Fatihiya Ally Massawe, and Amani Angumbwike Mwakalapuka. “Validation of the Perceived Self-Efficacy Scale (PSE) Among Cassava Farmers in Tanzania”. Journal of Humanities & Social Science (JHSS) 9, no. 1 (November 18, 2020). Accessed September 8, 2024. https://jhss.duce.ac.tz/jhss/index.php/jehs/article/view/33.