Pitaloka, F., Murcitro, B. G. and Fahrurrozi*, F. (2021) “Reduction of Synthetic Nitrogen Fertilizer Using Tithonia-based Liquid Organic Fertilizer for Sweet Corn Production in Ultisols”, CURRENT APPLIED SCIENCE AND TECHNOLOGY. Bangkok, Thailand, 22(3), p. DOI: 10.55003/cast.2022.03.22.005 (9 pages). doi: 10.55003/cast.2022.03.22.005.