Mardikaningsih, Rahayu, and Ella Anastasya Sinambela. “Performance Development of Agricultural Extenders Through Interpersonal Skills and Work Ethic”. Journal of Science, Technology and Society (SICO) 2, no. 1 (April 30, 2021): 35–44. Accessed October 3, 2026. https://ejournalsico.com/index.php/sico/article/view/26.