00000cam a22000004a 4500 UP-8027390931312395790 Buklod 20070925100317.0 o--- | || || tb 060810s2001 cau|||| r |||| u|eng d 1559533714 (iLib)UPCEB-00000025423 QA 63 H37 2001 Suppl. Johnson, Ken. Instructor's resource book and answer key [to] Problem solving strategies crossing the river with dogs and other mathematical adventures Ken Johnson, Ted Herr. Problem solving strategies. 2nd ed. Emeryville, Calif. Key Curriculum Press c2001. ix, 388 p. Mathematics Study and teaching (Secondary) Herr, Ted. UPCEB CEBU-LAHUG QA 63 H37 2001 Suppl. Book