"pandey, g n. "
environmental manaegement: / g.n. pandey - 1 ed. - india : vikas 2005. - ", 398p.; 24 cm."
81-259-0292-9
environmental management
TD174 / .P36 1997
environmental manaegement: / g.n. pandey - 1 ed. - india : vikas 2005. - ", 398p.; 24 cm."
81-259-0292-9
environmental management
TD174 / .P36 1997