Abdallah, K. Z. and Hammam, G. (2014) “Correlation between Biochemical Oxygen Demand and Chemical Oxygen Demand for Various Wastewater Treatment Plants in Egypt to Obtain the Biodegradability Indices”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 13(1), pp. 42–48. Available at: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1382 (Accessed: 15 May 2024).