Hayon, L., 		Alimuddin, A., & 		Panggabean, A.
2021 Nov 30.  VALIDATION METHOD OF DETERMINATION OF Cd (II) IN NPK FERTILIZER BY FLAME ATOMIC ABSORPTION SPECTROPHOTOMETRY AT THE QUALITY CONTROL LABORATORY, PT. PUPUK KALIMANTAN TIMUR. JURNAL KIMIA MULAWARMAN. [Online] 19:1