00000cam a22000003a 4500 UP-1685523046126300469 Buklod 20150414120650.0 m |o d | cr ||||||||||| 150414s1983 xx d r |||| u| 410403782 (iLib)UPMNL-00013309839 UCASM000273 Php150.00 CASM eng LA 1294 I46 1983 The IMPACT system of mass primary education Jose B. Socrates, editor. Quezon City, Philippines SEAMEO Regional Center for Educational Innovation and Technology c1983. vi, 174 p. ill. 23 cm. text rdacontent unmediatedt rdamedia volume rdacarrier Included in the Dean Bonifacio Salamanca Collection. Education, Primary Philippines. Education, Primary Indonesia. Socrates, Jose B. UPMNL CASM LA 1294 I46 1983 Book