Bibliografi : hlm. 92-94 No Inv.: 135200,135191/SM/Perp/13/2c
No Inv.: 134031/SM/Perp/13/1c~139611-139613/P/Perp/14/3c
Bibliografi : hlm. 225-226
Bibliografi : hlm. 245
Bibliografi : hlm. 255-263
Judul asli : "Rapid Assessment of Sources of Air, Water and Land Population"
Bibliografi : hlm. 206