IISS. (2006). Progress report: All India coordinated research project for investigations on soil test crop response correlation 2003-2006. ICAR.
Chicago Edition CitationIISS. Progress Report: All India Coordinated Research Project for Investigations on Soil Test Crop Response Correlation 2003-2006. ICAR, 2006.
Deismireacht MLAIISS. Progress Report: All India Coordinated Research Project for Investigations on Soil Test Crop Response Correlation 2003-2006. ICAR, 2006.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.