| 000 | 00376nam a2200097Ia 4500 | ||
|---|---|---|---|
| 008 | 180413s9999 xx 000 0 und d | ||
| 100 | _aHungerford Harold R | ||
| 245 | 0 | _aProcedures For Developing An Environmental Education Curriculum A Discussion Guide For Unesco Training Seminars On Environmental Education Environmental Educational Series 22 | |
| 260 | _b1986 | ||
| 546 | _aEng | ||
| 999 |
_c29872 _d29872 |
||