Kefiyalew Zerfu and Januarti Jaya Ekaputri. Deflection Function Formulation for Simply Supported thin Plate Using Variational Approach. AAER-V8 [Internet]. 2021 May 11 [cited 2026 Jul. 21];:64-73. Available from: https://stm.bookpi.org/AAER-V8/article/view/1101