1.
Marena B, Cahyaningrum SE. THE EFFECT OF PVA ON THE PRODUCTION OF UREA SLOW RELEASE FERTILIZER ON MODIFIED CHITOSAN MATRIX. UJC [Internet]. 2024 Sep. 22 [cited 2025 Dec. 14];13(3):83-8. Available from: https://ejournal.unesa.ac.id/index.php/unesa-journal-of-chemistry/article/view/66986