Bibliografi : hlm. 309-317
Bibliografi : hlm. 141
Bibliografi : hlm. 443-447
Judul asli : "Rapid Assessment of Sources of Air, Water and Land Population"
Bibliografi : hlm. 43-44
Bibliografi : hlm. 201 - 216
Bibliografi : hlm. 161
Bibliografi : hlm. 219-240
Bibliografi : hlm. 237 - 240