Matiku Joshua , J., Ally Massawe, F. ., & Angumbwike Mwakalapuka, A. . (2020). Validation of the Perceived Self-efficacy Scale (PSE) Among Cassava Farmers in Tanzania. Journal of Humanities &Amp; Social Science (JHSS), 9(1). https://doi.org/10.56279/jhss.v9i1.33