Belay, H. “A BIOMIMETIC SPECIATION STUDY OF BINARY COMPLEXES OF L-PHENYLALANINE AND MALEIC ACID WITH SOME METAL IONS IN UREA-WATER MIXTURES”. Journal of Advanced Scientific Research, Vol. 10, no. 04, Nov. 2019, pp. 196-04, http://sciensage.info/index.php/JASR/article/view/351.