| ลำดับ | สำนักพิมพ์ | จำนวนรหัสดีโอไอ |
|---|---|---|
| 521 | PIMDEE Co., Ltd. | 461 |
| 522 | Podduang Enterprise Co., Ltd | 4 |
| 523 | Podduang Enterprise Co., Ltd., | 18 |
| 524 | Pransak Thonyeam3 | 1 |
| 525 | Premier University Chattogram Bangladesh | 1 |
| 526 | Prince of Songkla University | 7 |
| 527 | Prince of Songkla University, | 3 |
| 528 | Princess Galyani Vadhana Institute of Music Thailand | 2 |
| 529 | Proceedings of the Fifth International Conference on Economics, Business and Interdisciplinary Studies | 19 |
| 530 | Professor of the department of management, Lesya Ukrainka Volyn National University (Lutsk, Ukraine) | 2 |
| 531 | Professor, Doctor of Science in Economics, Lutsk National Technical University Lutsk, Ukraine | 1 |
| 532 | Program in Farm Mechanics, Faculty of Technical Education, Rajamangala University of Technology Isan, Khon Kaen Campus | 1 |
| 533 | Program in Political Science, Faculty of Humanities and Social Sciences, Surindra Rajabhat University | 124 |
| 534 | Program of Polymer Science and Engineering (International Program) Silpakorn University | 1 |
| 535 | PSAKU International Journal of Interdisciplinary Research | 28 |
| 536 | Psychiatric and Mental Health Nursing, Ramathibodi School of Nursing, Faculty of Medicine, Ramathibodi Hospital | 1 |
| 537 | Rajabhat Maha Sarakham University | 1 |
| 538 | Rajamagala University of Technology Lanna | 1 |
| 539 | Rajamangala Universiry of Technology Krungthep | 1 |
| 540 | Rajamangala University of Technology Phra nakorn Thailand | 1 |
| 541 | Rajamangala University of Technology Phra Nakhon | 1 |
| 542 | Rajamangala University of Technology Krungthep | 158 |
| 543 | Rajamangala University of Technology Lanna | 142 |
| 544 | Rajamangala University of Technology Lanna, Thailand | 44 |
| 545 | Rajamangala University of Technology Phra Nakhon | 5 |
| 546 | Rajamangala University of Technology Rattanakosin | 56 |
| 547 | Rajamangala University of Technology Srivijaya | 1 |
| 548 | Rajamangala University of Technology Suvarnabhumi | 1 |
| 549 | Rajamangala University of Technology Tawan-Ok | 1 |
| 550 | Rajamangala University of Technology Thanyaburi | 1 |
| 551 | Rajamngala Univerity of Technology Thanyaburi | 9 |
| 552 | Rajanagarindra Institute of Child Development | 5 |
| 553 | Ramkhamhaehg University, | 1 |
| 554 | Ramkhamhaeng University | 33 |
| 555 | Ramkhamhaeng University, | 32 |
| 556 | Rangsit University | 14 |
| 557 | RANGSIT UNIVERSITY Thailand. | 12 |
| 558 | Rangsit Uiversity | 6 |
| 559 | Rangsit University | 1,785 |
| 560 | Rangsit University, Pathum Thani, Thailand | 30 |