TY  - GEN
AU  - Tyagi, P. K.
TI  - Ecological sanitation : : ancient practice and new idias
SN  - 9789383028658
U1  - 628.742 
PY  - 2014///
CY  - New Delhi : 
PB  - Advance Learner Press
KW  - Sewage
KW  - Environmental aspects
KW  - Toilets
KW  - Design and construction
N1  - It includes bibliography and index
ER  -