Chizari, M. et al. 1998. OBSTACLES FACING EXTENSION AGENTS IN THE DEVELOPMENT AND DELIVERY OF EXTENSION EDUCATIONAL PROGRAMS FOR ADULT FARMERS IN THE PROVINCE OF ESFAHAN, IRAN. Journal of Agricultural Education. 39, 1 (Mar. 1998), 48–54. DOI:https://doi.org/10.5032/jae.1998.01048.