| LDR | 00343namk 00121 k 4500 | |
|---|---|---|
| 001 | 000000016473 | |
| 005 | 19910225133403 | |
| 008 | 910225s1990 si 000 eng | |
| 049 | ▼l WM00000683 | |
| 090 | ▼a 530.981 ▼b N2779s | |
| 100 | 1 | ▼a NSC |
| 245 | 10 | ▼a Occupational safety & health perspectives in Asia-Pacific Singapore / ▼d NSC |
| 260 | ▼a 싱가포르: ▼b NSC, ▼c 1990 |