1. Al-Homaidan, A. A., Alabdullatif, J. A., Al-Hazzani, A. A., Al-Ghanayem, A. A., & Alabbad, A. F. (2015). Adsorptive removal of cadmium ions by Spirulina platensis dry biomass. Saudi Journal of Biological Sciences, 22, 795–800. https://doi.org/10.1016/j.sjbs.2015.06.010.
2. AOCS (American Oil Chemists' Society) Official Method Ce 1h-05. (2005). Determination of cis-, trans-, saturated, monounsaturated and polyunsaturated fatty acids in vegetable or non-ruminant animal oils and fats by capillary GLC. Official methods and recommended practices of the American Oil Chemists’ Society, 5th ed., American Oil Chemists’ Society, Urbana.
3. AOCS (American Oil Chemists’ Society) Official Method Ch 6-91. (1997). Determination of the composition of the sterol fraction of animal and vegetable oils and fats by TLC and capillary GLC. Official methods and recommended practices of the American Oil Chemists’ Society, 4th ed., American Oil Chemists’ Society, USA.
4. APHA: American Public Health Association. (2005). Standard methods for the examination of water and wastewater (21st ed.). Washington: APHA, AWWA and WEF.
5. Azza, M., Abdel, A., Nabila, S. A., Hany, H. A. G., & Rizka, K. A. (2013). Biosorption of cadmium and lead from aqueous solution by fresh water alga Anabaena sphaerica biomass. Journal of Advanced Research, 4, 367–374. https://doi.org/10.1016/j.jare.2012.07.004.