G V Kothandaraman & T S Manickam. Rock phosphate in agriculture. Coimbatore.
Chicago Edition CitationG V Kothandaraman and T S Manickam. Rock Phosphate in Agriculture. Coimbatore.
MLA Edition CitationG V Kothandaraman and T S Manickam. Rock Phosphate in Agriculture. Coimbatore.
Warning: These citations may not always be 100% accurate.