ONOKWAI, Anthony O; DESAI, Dawood A.; AKURU, Udochukwu B. PREDICTION OF HIGHER HEATING VALUE OF BIOMASS: STATISTICAL AND EMPIRICAL MODELLING USING MULTIVARIATE REGRESSION AND RESPONSE SURFACE METHODOLOGY. Kufa Journal of Engineering, Kufa, Najaf, IRAQ, v. 17, n. 3, p. 772–788, 2026. DOI: 10.30572/2018/KJE/170345. Disponível em: https://journal.uokufa.edu.iq/index.php/kje/article/view/22685. Acesso em: 6 aug. 2026.