Ali, A., Bell, H.E. and Rani, R. 2012. $(\theta,\phi)$-derivations as homomorphisms or as anti-homomorphisms on a near ring. Tamkang Journal of Mathematics. 43, 3 (Sep. 2012), 385–390. DOI:https://doi.org/10.5556/j.tkjm.43.2012.849.