GOPAL M, . (2015). CONTROL SYSTEMS (PRINCIPLES AND DESIGN). NEW DELHI: MCGRAW HILL EDUCATION PUB.
GOPAL M, . 2015. CONTROL SYSTEMS (PRINCIPLES AND DESIGN). NEW DELHI: MCGRAW HILL EDUCATION PUB.
GOPAL M, . CONTROL SYSTEMS (PRINCIPLES AND DESIGN). NEW DELHI: MCGRAW HILL EDUCATION PUB. 2015.
