00530nam a22001457u 4500 20261003205641.0 260926nuuuuuuuuxx ||||| |||||||| ||khm d (PTEC-PMB)8fcd65438ec7c3b1 khm 370 ឆាយ គឹមសុទ្ធាវី ការអប់រំសុខភាពសម្រាប់មជ្ឃមណ្ឌលគរុកោសល្យភូមិភាគ 370 អប់រំ និងគរុកោសល្យ BK ddc 1533 1533 0 0 ddc 0 0 PED PTEC PTEC 2026-09-26 0 370 ឆាយ 29553 2026-09-26 12:15:27 2026-09-26 BK 0 0 ddc 0 0 PED PTEC PTEC 2026-09-26 0 370 ឆាយ 29554 2026-09-26 12:15:27 2026-09-26 BK 0 0 ddc 0 0 PED PTEC PTEC 2026-09-26 0 370 ឆាយ 34123 2026-09-26 12:15:27 2026-09-26 BK