共 50 条
- [32] DIFFICULTIES ENCOUNTERED IN PERCENTAGE BY COLLEGE FRESHMEN JOURNAL OF EDUCATIONAL RESEARCH, 1946, 40 (02): : 81 - 95
- [38] A TECHNICAL CONSIDERATION IN CHILD ANALYSIS AND CHILD THERAPY JOURNAL OF THE AMERICAN ACADEMY OF CHILD PSYCHIATRY, 1969, 8 (03): : 411 - &
- [39] SOME PROBLEMS ENCOUNTERED IN APPLICATION OF GAS CHROMATOGRAPHY TO TECHNICAL ANALYSIS KOGYO KAGAKU ZASSHI, 1961, 64 (05): : 747 - &