(ii) Non-recurrent publications: Emerging Issues in Mortality (1); Emerging Issues in Population and Development (1); Emerging Issues in Population Policies (1); and Emerging Issues in International migration (1);
㈡ 非经常出版物：《死亡率新问题》⑴；《人口与发展新问题》⑴；《人口政策新问题》⑴；和《国际移徙新问题》⑴；