Woodgate, Harry Samuel. Planning by network : Project planning and control using network techniques / H. S. Woodgate. - 2nd ed. - London : Business Books, 1977. - xx, 385 p. : ill. ; 23 cm. Includes index. ISBN: 9780220663124 Subjects--Topical Terms: Network analysis (Planning) Dewey Class. No.: 658 / 22