M. A., G.; S., . V.; THANGAM, S. A. . BSERVATION ON THE PAPER ENTITLED “SPECIAL PAIRS OF RECTANGLES AND SPHENIC NUMBER. International Journal of Multidisciplinary Research and Studies, [S. l.], v. 2, n. 03, 2019. Disponível em: https://ijmras.com/index.php/ijmras/article/view/54. Acesso em: 4 may. 2024.