00274nam a2200121Ia 45000030006000000080041000060400015000471000018000622450034000802600009001145460012001230050017001350STCL150530s9999 xx 000 0 und d aSTCLcSTCL aHow Tan Kwang aSupervision and managing work c1994 aEnglish20220125165320.0