Mengistu, Meti, Rajalakshmanan Kufa, and Hadgu Belay. 2019. “SHIFT IN PKA OFL-HISTIDINE AND L-GLUTAMIC ACID IN ORGANIC MEDIA: A POTENTIOMETRIC STUDY”. Journal of Advanced Scientific Research 10 (03 Suppl 1), 152-58. https://sciensage.info/index.php/JASR/article/view/359.