helmy, zahron, Sumardjo ., Ninuk Purnaningsih, and Prabowo Tjitropranoto. “Cyber Extension in Strengthening the Extension Workers”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 8, no. 1 (December 2, 2013): 56–66. Accessed July 23, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1259.