APA

Elangovan (R) ;Saseetharan (M K), . (1998). Unit Operation In Enveronmental Engineering. : .

Chicago

Elangovan (R) ;Saseetharan (M K), . 1998. Unit Operation In Enveronmental Engineering. : .

Harvard

Elangovan (R) ;Saseetharan (M K), . (1998). Unit Operation In Enveronmental Engineering. : .

MLA

Elangovan (R) ;Saseetharan (M K), . Unit Operation In Enveronmental Engineering. : . 1998.