Budiyanto, M. A. K., A. Rahardjanto, and L. Waluyo. “Mastery of Sumber Urip-1 Farmer Group in Malang Regency in the Production and Application of Organic Auxins and Gibberellins”. Journal of Community Service and Empowerment, vol. 1, no. 2, Aug. 2020, pp. 64-72, doi:10.22219/jcse.v1i2.12259.