A COMPARISON OF CHAPMAN-RICHARDS AND JOHNSON-SCHUMACHER SPLIT-PLOT DESIGN MODELS. Quantum Journal of Engineering, Science and Technology, [S. l.], v. 5, n. 3, p. 66–76, 2024. Disponível em: https://www.qjoest.com/index.php/qjoest/article/view/159. Acesso em: 27 jun. 2026.