Putrawan IDGA, Azharuddin A, Adityawarman D. Agricultural wastes as renewable fillers in physical granulation of NPK fertilizers: Evaluation of on-size granules and comparison to conventional filler. Int. J. Recycl. Org. Waste Agric. 2020 Jun. 28;9(2). Available from: https://oiccpress.com/ijrowa/article/view/3366