Aschalew A, Lemma B, S. Karippai R. Knowledge and Attitude of Students on the Environment: The Case of Two Secondary Schools in Harari Region, Ethiopia. EAJS [Internet]. 2013 Jan. 1 [cited 2024 Sep. 18];7(1):51-8. Available from: https://eajs.haramayajournals.org/index.php/eajs/article/view/150