S. Lalitha, S. Sreenivasulu, and A. Mallikarjun Reddy. “On Ideals and Multiplicative (Generalized) - $(\Phi,\Phi)$ - Derivations”. International Journal of Mathematics And Its Applications, vol. 9, no. 4, Dec. 2021, pp. 53-57, https://ijmaa.in/index.php/ijmaa/article/view/28.