| Leader | | | 00232caa##2200073#a#4500 |
| 001 | | | j00000068 |
| 003 | | | TAT |
| 005 | | | 25610510110222.5 |
| 008 | | | 610510b th ## #000 0#tha## |
| 245 | 1 | 1 | ^a"Dr. Payom Dhumabutra and the institute of eco-tourism in Thailand" / |
| 260 | | | ^c1977. |
| 650 | 4 | | ^aPayom Dhumabutra |
| 773 | | | ^tH.T.T.^gปีที่ 1 ฉบับที่ 6 ( AUGUST 1977 ) หน้า 56. |