Nirmala, V. U. (1999). Environmental appraisal of vellayani lake and surrounding areas using remote sensing techniques(CESS, Trivandrum) (MSc.).
シカゴスタイル引用形Nirmala, V U. Environmental Appraisal of Vellayani Lake and Surrounding Areas Using Remote Sensing Techniques(CESS, Trivandrum). MSc. Kottayam, School of Environmental Science, M G University, 1999.
MLA引用形式Nirmala, V U. Environmental Appraisal of Vellayani Lake and Surrounding Areas Using Remote Sensing Techniques(CESS, Trivandrum). MSc. 1999.
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