M. Y. Shalaby, K. H. Al-Zahrani, M. B. Baig, & G. S. Straquadine. (2012). REALIZING SUSTAINABLE AGRICULTURE THROUGH RURAL EXTENSION AND ENVIRONMENTAL FRIENDLY FARMING TECHNOLOGIES: BASIC INGREDIENTS. Bulgarian Journal of Agricultural Science, 18(6), 854-864. https://agriacad.eu/ojs/index.php/bjas/article/view/5882