[1]
M. R. Ismail and M. J. Jweeg, “Natural Frequencies of Multi-Irregular Span Beams under Elastic Supports By Modal Analysis Method”, NUCEJ, vol. 19, no. 2, pp. 353–362, Jan. 2017, Accessed: Dec. 23, 2024. [Online]. Available: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/28