共 50 条
- [1] AIMS AND ACHIEVEMENT OF EMPIRICAL-RESEARCH ON TEACHING - COMMENTS [J]. ZEITSCHRIFT FUR PADAGOGIK, 1979, 25 (02): : 307 - 312
- [7] MODELS AND EMPIRICAL-RESEARCH [J]. ANNALS OF THE ASSOCIATION OF AMERICAN GEOGRAPHERS, 1965, 55 (04) : 626 - 626
- [9] SCHLESINGER ON HUMANISM AND EMPIRICAL-RESEARCH [J]. AMERICAN SOCIOLOGICAL REVIEW, 1963, 28 (01) : 97 - 100