Younas, Farzana, Khadija Saeed, Aneela Amin, and Ghalib ul Islam. “ρπ Puzzle: Its Perspectives and Possibilities : ρπ Puzzle: Its Perspectives and Possibilities”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 55, no. 1 (April 13, 2021): 47–57. Accessed March 9, 2025. https://ppaspk.org/index.php/PPAS-A/article/view/193.