621 SIN ASE406 ASE407 ASE408 ASE409 ASE410

Singal, R. K. Basics of mechanical engineering / R. K. Singal, Mridul Singal & Rishi Singal . – New Delhi : I. K. International, 2014 ISBN9788189866204 • Mechanical Engineering Singal, Mridul Singal, Rishi