Chizari, M., Karbasioun, M., & Lindner, J. R. (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), 48–54. https://doi.org/10.5032/jae.1998.01048