J B PRATLEY, . (1984). STUDY NOTES FOR TECHNI.VOL-1. : MCGRAW HILL BOOK,CO.
J B PRATLEY, . 1984. STUDY NOTES FOR TECHNI.VOL-1. : MCGRAW HILL BOOK,CO.
J B PRATLEY, . STUDY NOTES FOR TECHNI.VOL-1. : MCGRAW HILL BOOK,CO. 1984.
