K.A, Ibe, and Ogwuche C.E. “SELECTIVITY OF COLUMN PACKING TO PORPHYRIN ELUTION”. Caribbean Journal of Sciences and Technology 6, no. 1 (December 31, 2018): 45–54. Accessed December 4, 2024. https://caribjscitech.com/index.php/cjst/article/view/58.