RAHMAWATI, Y.; ZULKIFLI, F. Y.; RIZKINIA, M. Non-Destructive Classification of Oil Palm Ripeness Using Free-Space Measurement: An Evaluation of the Nicolson-Ross-Weir Method. Engineering, Technology & Applied Science Research, Greece, v. 16, n. 2, p. 34126–34134, 2026. DOI: 10.48084/etasr.16060. Disponível em: https://mail.etasr.com/index.php/ETASR/article/view/16060. Acesso em: 17 apr. 2026.