| NCID | DA00779534 |
| 名称(HDNG) | Steffen, John J. |
| から見よ(SF) | Steffen, John |
| 注記(NOTE) | Improving the long-term effects of psychotherapy, c1979 (a.e.) CIP t.p. (John Steffen, Ph.D.) book t.p. (John J. Steffen)
Enhancing children's competencies, c1981: t.p. (John J. Steffen) |
| LCAID | 79083396 |