Essentials of Project ManagementBy Clifford F. GrayPetrocelli Books (June 1981) | ISBN-10: 0894331019 | ISBN-13: 978-0894331015 | 241 Pages | PDF/CHM | No customer reviews yet | Buy New $22.5 from HotFile | FileSonic ||| NO Google Books PreviewBook DescriptionClick Picture for Book Description in Amazom.com