SirsiDynix Enterprise http://kllibrary.dbkl.gov.my/client/en_US/pkl/pkl/qu$003dMathematics$002b$002b--$002b$002bFormulae$0026qf$003dPUBDATE$002509Publication$002bDate$0025091996$0025091996$0026ps$003d300?dt=list 2026-02-02T10:25:19Z