Code of basic requirements for water supply ,drainage and sanitation , 1172-1983 / Textual Documents Bureau of Indian standards. - 1 / . - Bureau of Indian standards , 1989. - 21 ; .



696.1 / BUR/CO
Kerala Agricultural University Central Library
Thrissur-(Dt.), Kerala Pin:- 680656, India
Ph : (+91)(487) 2372219
E-mail: librarian@kau.in
Website: http://library.kau.in/