2022. STRUCTURAL BEHAVIOUR AND BENDING ANALYSIS OF RECTANGULAR THICK PLATE USING A NEW 3-D MODIFIED TRIGONOMETRIC DISPLACEMENT MODEL: STRUCTURAL BEHAVIOUR AND BENDING ANALYSIS OF RECTANGULAR THICK PLATE . Nigerian Journal of Technology. 41, 5 (Nov. 2022), 834–843. DOI:https://doi.org/10.4314/njt.v41i5.3.