00681cam a22002171 4500 e 31000054 DLC 20260227111220.0 790516s1930 cc f000 0 eng c e 31000054 (OCoLC)4970226 U.S. Office of Education RPB RPB OCoLC DLC a-cc--- LG51.C4 A53 Zhongshan da xue (Guangzhou, China). Chiao yü hsüeh yen chiu so. The Institute of educational research, Sun Yatsen university, Canton, China. [Canton? China, 1930] 2 p.l., 17 p. 24 cm. Cover title. Education Research China. 21082 21082