Proximate Analysis and Calorific Value Prediction using Linear Correlation Model for Torrefied Palm Oil WastesSiti Raishan Mohd Rashid, Suriyati Saleh and Noor Asma Fazli Abdul SamadMATEC Web Conf., 131 (2017) 04002DOI: https://doi.org/10.1051/matecconf/201713104002