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;9(2). doi:10.30486/ijrowa.2020.1889862.1018