O'zbekiston respublikasi oliy va o'rta maxsus ta'lim vazirligi toshkent temir yo'l muhandislari instituti

Handbook of Railway Vehicle Dynamics. Simon Iwnicki. (United States, 2006. 45 б).

6¹ Handbook of Railway Vehicle Dynamics. Simon Iwnicki. (United States, 2006. 50 б).

7¹ Mark A Friend, James P Kohn, “Fundamentals of Occupational. (United States, 2010. 60 б).

8⁸ Mark A Friend, James P Kohn, “Fundamentals of Occupational. Safety and Health”. (United States, 2010. 55 б).

9¹ Mark A Friend, James P Kohn, “Fundamentals of Occupational. (United States, 2010. 62 б).

10^ Mark A Friend, James P Kohn, “Fundamentals of Occupational. (United States, 2010. 66 б).