PRABHAKARAN G, . (2004). INTRODUCTION TO SOIL AND AGRICULTURAL MICROBIOLOGY. MUMBAI: HIMALAYA PUB.
PRABHAKARAN G, . 2004. INTRODUCTION TO SOIL AND AGRICULTURAL MICROBIOLOGY. MUMBAI: HIMALAYA PUB.
PRABHAKARAN G, . INTRODUCTION TO SOIL AND AGRICULTURAL MICROBIOLOGY. MUMBAI: HIMALAYA PUB. 2004.