A. A. M. Saeed, S. Z. M. Saeed, and A. M. H. Saeedan, “STUDY OF SOME ORGANIC COMPOUNDS IN PLASTIC TOYS AVAILABLE IN ADEN-YEMEN”, Electron. J. Univ. Aden Basic Appl. Sci., vol. 3, no. 1, pp. 41-47, Mar. 2022.