Lemma, Mulatu, Keith Lord, and George Tessema. “A Note On Fundamental Core Theorem of The Mulatu Numbers and Its Fascinating Corollaries.”. IJRDO -JOURNAL OF MATHEMATICS 3, no. 10 (October 31, 2017): 01-06. Accessed May 5, 2024. https://ijrdo.org/index.php/m/article/view/1588.