Four decades of latrine development
By: Dept. of Health in co-operation with the United Nations Children's Fund
Contributors: UNICEF
Publisher: [publisher not identified]
Place of publication: Bangkok?]
Language: eng
Number of pages: 91
Subjects: Toilets; Outhouses; Public health
Notes: Cover title.

Photocopy. [S.l. : s.n., 199-?] 91 leaves ; 30 cm.