Septiani, A., A. Anggraeni, A. Hardianto, D.R. Eddy, and H.H. Bahti. “Microencapsulation of Gadolinium Citrate Using Silica for Contrast Agent Development”. Asian Journal of Chemistry 33, no. 3 (February 16, 2021): 632–636. Accessed May 5, 2024. https://asianpubs.org/index.php/ajchem/article/view/33_3_23.