AL-Bakry AG, Kadhim NS. EFFECT OF SPEEDS AND SOURCE OF FUEL ON THE EMISSIONS OF 4-STROKE DIESEL ENGINE OF AGRICULTURAL TRACTORS BY DIFFERENT LOADS IN LABORATORY IN WINTER AND SUMMER SEASON. . DASJ [Internet]. 2016 Jun. 30 [cited 2024 Apr. 23];8(1):22-35. Available from: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1366