@article{Henriquez_Lemma_2021, title={Our Perfect Brief Journey with Perfect Numbers}, volume={4}, url={https://gphjournal.org/index.php/m/article/view/343}, number={01}, journal={GPH - International Journal of Mathematics}, author={Henriquez, Francesca and Lemma, Mulatu}, year={2021}, month={Feb.}, pages={01-10}