00407nam a2200109Ia 4500008004100000020001400041040004400055100002200099245008100121260006100202300003400263180412s9999||||xx |||||||||||||| ||und||  a801836484  aAhmadu Bello University Library - Zaria  aCoomes, Philip H. 0aCost analysis in education: a tool for policy and planningcPhilip H. Coomes  aBaltimore, MarylandbJohn Hopkins University Pressc1987  ax, 105p.: ill., diagr., table