References:
1. Vogel, A. I. (1989). Vogel's Textbook of Quantitative Chemical Analysis (5th ed.). Longman Scientific & Technical.
2. Gunstone, F. D., & Harwood, J. L. (2007). The Lipid Handbook with CD-ROM (3rd ed.). CRC Press.
3. Bailey, A. E. (1951). Industrial Oil and Fat Products (2nd ed.). Interscience Publishers.