| ลำดับ | สำนักพิมพ์ | จำนวนรหัสดีโอไอ |
|---|---|---|
| 481 | National Institute of Development Administration. School of Development Economics. | 1 |
| 482 | National Research Council of Thailand | 279 |
| 483 | National Science Museum, Thailand | 17 |
| 484 | Navaminda Kasatriyadhiraj Royal Air Force Academy | 2 |
| 485 | Neresuan University | 1 |
| 486 | Nonthaburi King mongkut’s university of technology thonburi | 1 |
| 487 | North Bangkok University | 5 |
| 488 | Northern School for the Blind Under the Patronage of the Queen, Arruk Road, Amphur Muang Chaingmai, Thailand 50200 Tel.053-278009 Fax. 053-815137 | 1 |
| 489 | Office of Academic Medical Journal, Region 11 | 9 |
| 490 | Office of Academic Medical Journal, Region 12 | 1 |
| 491 | Office of Academic Medical Journal, Region 13 | 1 |
| 492 | Office of Academic Medical Journal, Region 14 | 1 |
| 493 | Office of Academic Medical Journal, Region 15 | 1 |
| 494 | Office of Academic Resources | 106 |
| 495 | Office of Academic Resources Prince of Songkla University Pattani Campus | 6 |
| 496 | Office of Journal of Management Science | 19 |
| 497 | Office of Natural Science Research, National Science Museum | 3 |
| 498 | OXFAM | 1 |
| 499 | P.A. LIVING CO., LTD. | 55 |
| 500 | P.A. LIVING.CO.,LTD. | 5 |
| 501 | Palacký University Press | 1 |
| 502 | Panyapiwat Institute of Management | 6 |
| 503 | papermate | 12 |
| 504 | Papermate Thailand | 12 |
| 505 | Pathum thani University | 7 |
| 506 | Pathumthani University | 6 |
| 507 | Pattani Campus | 1 |
| 508 | Payap University | 1 |
| 509 | Peace Studies MCU | 85 |
| 510 | Petra Christian University | 1 |
| 511 | Ph.D. Program in English Language Teaching (ELT), Faculty of Humanities and Social Sciences, Buriram Rajabhat University | 21 |
| 512 | Ph.D. Program in English Language Teaching (ELT), Faculty of Humanities and Social Sciences, Buriram Rajabhat University | 41 |
| 513 | Ph.D. Student, Division of Learning Innovation and Technology, Faculty of Industrial Education and Technology King Mongkut’s University of Technology Thonburi, Bangkok, Thailand | 1 |
| 514 | Phetchabun Rajabhat University | 1 |
| 515 | Phetchaburi Rajabhat University | 132 |
| 516 | Phetchaburi Rajabhat University, | 1 |
| 517 | Phithagorn Thanitbenjasith | 1 |
| 518 | Phitsanulok มหาวิทยาลัยนเรศวร | 1 |
| 519 | Phranakhon Si Ayutthaya Rajabhat University | 1 |
| 520 | Phuket Marine Biological Center | 51 |