TY - BOOK AU - WHO/UNICEF Joint Water Supply and Sanitation Monitoring Programme AU - World Health Organization AU - UNICEF TI - Progress on drinking water and sanitation ET - 2012 update PB - UNICEF PB - World Health Organization PY - 2012 EP - 59 p. UR - https://ci.nii.ac.jp/ncid/BB09345454 SN - 9789241503297 SN - 9789280646320 ER -