1. Sorrel (Hibiscus sabdariffa) Seed Oil Extraction Optimization and Quality Characterization;Betiku;American Chemical Science Journal,2013
2. ASTM D6751- Standard Test Method for Gross Calorific Value of Oil, Water, Coal and Coke by the adiabatic Bomb Calorimeter from SAI Global.
3. EN14214- European committee for standardization describing the requirements and test methods for FAME
4. Statistical Approach to the Optimization of Oil from Beniseed (Sesamum indicum) seed oil;Betiku;JFSE,2012
5. Study of calcination condition on decomposition of calcium carbonate in waste cockle shell to calcium oxide using thermal gravimetric analysis;Sharifah;ARPN JEAS,2016