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