Quang Loc, Nguyen. “DESIGN, FABRICATE DISK HARROW X TYPE, BDT-3,0 MOUNTED ON TRACTORS MTZ-892 TO INCREASE QUALITY FOR TILLAGE”. Science and Technology Development Journal 6, no. 3&4 (April 30, 2003): 83-88. Accessed November 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3321.