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Ullah, Sami, M. A. Bustam, M. Nadeem, M. Y. Naz, W. L. Tan, ja A. M. Shariff. "Synthesis and Thermal Degradation Studies of Melamine Formaldehyde Resins." ScientificWorldJournal 2014.

Ullah, Sami, et al. "Synthesis and Thermal Degradation Studies of Melamine Formaldehyde Resins." ScientificWorldJournal 2014.