The Effectiveness of Employing the Eisenkraft Constructivist Model in Developing Academic Achievement at the Secondary School Level. The International Journal of Educational Sciences and Arts, [S. l.], v. 5, n. 5, 2026. DOI: 10.59992/IJESA.2026.v5n5p1. Disponível em: https://vsrp.co.uk/index.php/ijesa/article/view/943. Acesso em: 2 jul. 2026.