00438nam 2201769 45000010005000000030023000050050009000280080041000370820010000780720036000880200015001241000024001392600015001635000027001783000020002052450045002251769StarLibrary Marc Built20180505201711 ||||| |||||||||||amh  a362.1 aHealth Services Administeration a9290213639 amahmoud f. fathalla bWHO c2004 awith Indix p. 227- 234 a234 ص؛ 24سم aA Practical Guide For Health Researchers