Yasfin Shafa Nurulisia, and Sari Edi Cahyaningrum. “SYNTHESIS AND CHARACTHERIZATION OF UREA SLOW RELEASE FERTILIZER (SRF) WITH CHITOSAN MODIFIED BY PVA CaCO3 MATRIX”. Unesa Journal of Chemistry, vol. 14, no. 1, Jan. 2025, pp. 8-14, doi:10.26740/ujc.v14n1.p8-14.