Silva JL da, Pravia ZMC. JWood: learning object for elements of timber structuresl. Semin., Exact Tech. Scienc. [Internet]. 2018 Dec. 29 [cited 2026 Jun. 25];39(2):133-42. Available from: https://www.ojs.uel.br/revistas/uel/index.php/semexatas/article/view/23242