共 50 条
- [1] THE PEER STATUS OF 6TH-GRADE AND 7TH-GRADE CHILDREN - LAUGHLIN,F [J]. JOURNAL OF EDUCATIONAL RESEARCH, 1956, 49 (05): : 396 - 396
- [5] A NUTRITION NEWSLETTER FOR 6TH-GRADE STUDENTS [J]. JOURNAL OF NUTRITION EDUCATION, 1985, 17 (04): : B142 - C142
- [7] TEACHING 6TH-GRADE SCIENCE BY TELEVISION [J]. ELEMENTARY SCHOOL JOURNAL, 1962, 63 (02): : 96 - 103
- [8] THE MEANING OF DEMOCRACY TO 6TH-GRADE CHILDREN [J]. JOURNAL OF GENETIC PSYCHOLOGY, 1950, 76 (02): : 263 - 281
- [9] STRESS REDUCTION IN 6TH-GRADE STUDENTS [J]. JOURNAL OF EXPERIMENTAL EDUCATION, 1995, 63 (04): : 315 - 329