M. Ahmad, I. Md Isa, B. L. Shaw, and S. D. Perera, “Syntheses and Characterization of the Complexes of Molybdenum, Tungsten and Palladium with 2-diacetylpyridine- (1R)-(-)-fenchone azine”, J. Sci. Math. Lett., vol. 2, no. 1, pp. 56–66, Jun. 2010, Accessed: Dec. 06, 2025. [Online]. Available: https://ejournal.upsi.edu.my/index.php/JSML/article/view/450