| NCID | DA04271145 |
| 名称(HDNG) | Klopfer, Leopold E. |
| 注記(NOTE) | Champagne, A.B. Instructional consequences of students' knowledge about physical phenomena, 1986: t.p. (Leopold E. Klopfer; Learning Research and Development Center, Univ. of Pittsburgh) |
| LCAID | 88050717 |