na INLIS000000000016004 20210426124843 210426||||||||| | ||| |||| || | 0 8269 4160 5 /1703 010-0421016004 id 371.12 371.12 ROS i ROSE, Homer C The Instructor and his job Chicago American Technical society 1973 345p.: ills.; 21cm pendidikan -- mengajar -- I.Judul -- Pengajar