Zobrazeno 1 - 3
of 3
pro vyhledávání: '"子张"'
Autor:
Tze-Chang Chang, 章子張
95
Owing to the elder’s life extension, increasing population of the elderly, decreasing birth rate, and aging demographic structure, the percentage of productive population is decreasing and the dependent population is increasing. Hence the s
Owing to the elder’s life extension, increasing population of the elderly, decreasing birth rate, and aging demographic structure, the percentage of productive population is decreasing and the dependent population is increasing. Hence the s
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/72563827894809486223
