S Gopakumar. (1991). Standardisation of containers on growth and vigour of tree seedlings - (Acc. No. of this was changed to PR-21). College of Forestry.
Chicago Edition CitationS Gopakumar. Standardisation of Containers on Growth and Vigour of Tree Seedlings - (Acc. No. of This Was Changed to PR-21). Vellanikkara: College of Forestry, 1991.
MLA Edition CitationS Gopakumar. Standardisation of Containers on Growth and Vigour of Tree Seedlings - (Acc. No. of This Was Changed to PR-21). College of Forestry, 1991.
Warning: These citations may not always be 100% accurate.