00646nam a22001457u 4500 20261003210144.0 260926nuuuuuuuuxx ||||| |||||||| ||khm d (PTEC-PMB)b99817ea839d8bf3 khm 574.5 ក្រសួងអប់រំយុវជន និង កីឡា ឯកសារបំប៉ន គ្រូបង្រៀនកម្រិតមូលដ្ឋាន : ផែនដី និងបរិស្ថានវិទ្យា 500 វិទ្យាសាស្ត្រធម្មជាតិ និងគណិតវិទ្យា BK ddc 2535 2535 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30533 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30534 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30535 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30536 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30537 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30538 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30539 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30540 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30541 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30542 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30543 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30544 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30545 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30546 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30547 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30548 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30551 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30552 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30553 2026-09-26 12:17:29 2026-09-26 BK 0 0 ddc 0 0 SCI PTEC PTEC 2026-09-26 0 574.5 អយក 30558 2026-09-26 12:17:30 2026-09-26 BK