005590000a22001810004500 PH-MaWHO 20241108112143.0 Internal migration and structural changes in the labour force. ST/ESCAP/630 Bangkok : United Nations Economic and Social Commission for Asia and the Pacific, 1988. (Asian population studies series ; no. 90). 69p. UN File [EYG] eng Emigration and immigration 145225 Employment 145371 DOC 2104 2104 0 0 0 0 WPRO WPRO 2021-05-23 0 UN File [EYG] 02104 2024-01-24 00:00:00 2021-05-23 DOC