Health 21 Healthy city Millennium Development Goals Mahler, Halfdan (1981) "The meaning of Health For All by the year 2000", World Health Forum, Vol.
الصحة 21 المدينة الصحية الأهداف الإنمائية للألفية Mahler, Halfdan (1981) "The meaning of Health For All by the year 2000", World Health Forum, Vol.