Ahmad, Mustaffa, Illyas Md Isa, Bernard L. Shaw, and Sarath D. Perera. 2010. “Syntheses and Characterization of the Complexes of Molybdenum, Tungsten and Palladium With 2-Diacetylpyridine- (1R)-(-)-Fenchone Azine”. Journal of Science and Mathematics Letters 2 (1): 56-66. https://ejournal.upsi.edu.my/index.php/JSML/article/view/450.