TY - BOOK AU - ISLAM ,TAYYAB UL AU - Supervisor : DR RIAZ AHMAD MUFTI TI - Tribological Study of Friction in Roller Follower Valve Train Considering Effects of Asperity Interaction and Roller Sliding U1 - 621 PY - 2019/// CY - Islamabad: PB - SMME- NUST. KW - MS Mechanical Engineering UR - http://10.250.8.41:8080/xmlui/handle/123456789/12473 ER -