OLUWAFEMI GBODOGBE, Sunday; CHRIS LOYINMI, Adedapo. Zafar Projected Differential Transform and Laplace Projected Differential Transform methods as exact solution methods for Klein-Gordon equations: Research | Open Access | 30 April 2026. EDUCATUM Journal of Science, Mathematics and Technology, [S. l.], v. 13, n. 1, p. 51–80, 2026. DOI: 10.37134/. Disponível em: https://ejournal.upsi.edu.my/index.php/EJSMT/article/view/11107. Acesso em: 16 jul. 2026.