Khan, Nadeem A., Rachida El Morabet, Roohul Abad Khan, Soufiane Bouhafa, Larbi Barhazi, Vitaliy Sobyna, Dmytro Taraduda, and Igor Neklonskyi. 2021. “Cryptosporidium and Giardia Lamblia Epidemiology in Middle Eastern Countries: Study of the Proliferation Problem in the Aquatic Environment”. Ecological Questions 32 (3):1-18. https://doi.org/10.12775/EQ.2021.021.