00683cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035001900092040005100111043001200162050001700174110007400191245008100265260002700346300002600373500001700399650003200416999001700448e  31000054 DLC20260227111220.0790516s1930    cc           f000 0 eng c  ae  31000054   a(OCoLC)4970226  aU.S. Office of EducationcRPBdRPBdOCoLCdDLC  aa-cc---00aLG51.C4bA532 aZhongshan da xue (Guangzhou, China).bChiao yü hsüeh yen chiu so.14aThe Institute of educational research, Sun Yatsen university, Canton, China.  a[Canton? China,c1930]  a2 p.l., 17 p.c24 cm.  aCover title. 0aEducationxResearchzChina.  c21082d21082