by Muhammad, Nahlah Q., al-Nuaymi, K. A., Suhayl, Abd Allah Muhsin, Talib, A. M.
Published in ZANCO Journal of Pure and Applied Sciences. (01.10.2019)

by Dus, Qasim Mahmud, al-Nuaymi, Ihsan K. A.
Published in Journal of Engineering (01.12.2009)