00613cam a22002171 4500 sa 68005388 DLC 20260227112508.0 860130s1965 io a 000 0 ind sa 68005388 PL480:Indo-6953 (OCoLC)23538555 DLC MiU DLC premarc QA135 .S96 Surachmad, Winarno Metodik mengadjarkan kosep berhitung. Bandung, Institut Keguruan dan Ilmu Pendidikan [1965?] 88 p. illus. 33 cm. Arithmetic Study and teaching (Elementary) 80714 80714