000 | 00445nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 240806s9999||||xx |||||||||||||| ||und|| | ||
020 | _aKS 03-89: 1979 UDC 667.56 | ||
040 | _aKenya National Library Service | ||
082 | _a741.23 KEN | ||
100 | _aKENYA,Bureau of Standards | ||
245 | 0 | _aKenya Standard : specification for school chalks | |
260 |
_aNairobi _b Kenya Bureau of Standards _c1979 |
||
650 | _aChalk and crayon | ||
942 | _cBK | ||
999 |
_c256410 _d256410 |