00000cam a22000004a 4500 UP-8027390931312365123 Buklod 20070925095946.0 o--- | || || tb 070925s1954 enka rb |001 0|eng d (iLib)UPCEB-00000022556 LB2805 J2 1954 LB2805 J2 1954 Jacobson, Paul B. The Effective school principal in elementary and secondary schools P. B. Jacobson, William C. Reavis and James D. Logsdon. 2d ed. New York Prentice-Hall 1954. 617 p. Reavis, William C. Logsdon, James D. UPCEB CEBU-LAHUG LB2805 J2 1954 Book