Ginandjar, S. ., Dikayani, and F. S. . Nurhakim. “Response Kailan Plants (Brassica Oleraceae L.) to the Immersion Plant Growth Regulator (GA3) With Various Types Growing Media”. Asian Journal of Agriculture and Rural Development, vol. 8, no. 2, Jan. 2019, pp. 195-03, doi:10.18488/journal.1005/2018.8.2/1005.2.195.203.