Asem Ramadan Amar Mohamed and Abdulwahid Mohammed Almahdi Sirtiyah 2023. A Field Study to Evaluate the Efficacy of Changing the Type of Anthelmintic on Nematodes in Sheep in the Western Area of Libya . African Journal of Advanced Pure and Applied Sciences . 2, 2 (May 2023), 200–205. DOI:https://doi.org/10.65418/ajapas.v2i2.366.