1. Waste water treatment
Author: M. Naramaya Rao and Amal K. Datta
Library: Library of Institute For Color Science and Technology (Tehran)
Subject: Sewage--Purification
2. Waste water treatment
Author: ./M.Narayana Rao & Amal k.Datta
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: فاضلاب, -- تصفیه
Classification :
TD
۷۴۵
/
ن
۲
و
۲ ۱۳۶۶
