TY - BOOK T1 - Workers, managers, elites the human spectrum of development A1 - Ople, Blas F. LA - English PP - Manila PB - Institute of Labor and Manpower Studies YR - 1981 UL - https://tuklas.up.edu.ph/Record/UP-8027390931312192291 OP - 256 CN - HD8617.5 O64 1981 KW - Labor and laboring classes : Philippines. ER -