00770nam a2200265 a 4500 159459 OSt 20251022021612.0 900511s1990 ohua 100 0 eng 90154764 DLC DLC KENaSUL TX657.S6M834 2009 159459 130711 Investigation into the use of cooking gas by public boarding secondary schools in Nairobi, Kenya : c2009. xi; 68 p . . Use of Gas in Institutions 202383 Gas 202384 Gas Cookers 202385 7 cbc orignew 2 ncip 19 y-gencatlg TH VC 159459 130711