Chemical & Biological Methods of Water & Air Pollution Control: A Practical Hygiene Manual/ (Acc: 1562)
Purohit,S.K
Chemical & Biological Methods of Water & Air Pollution Control: A Practical Hygiene Manual/ (Acc: 1562) A Parctical Hygiene Manual/ S.K.Purohit - India; Agro Botanical Publishers, [1985] - vi,56 p. ill. 18.5 cm.
Water and Air
669 PUR
Chemical & Biological Methods of Water & Air Pollution Control: A Practical Hygiene Manual/ (Acc: 1562) A Parctical Hygiene Manual/ S.K.Purohit - India; Agro Botanical Publishers, [1985] - vi,56 p. ill. 18.5 cm.
Water and Air
669 PUR