Sreebha S. (2008). Environmental impact of sand mining: A case study in the river catchments of Vembanad lake, Southwest India. Centre for Earth Science Studies.
シカゴスタイル引用形Sreebha S. Environmental Impact of Sand Mining: A Case Study in the River Catchments of Vembanad Lake, Southwest India. Thiruvananthapuram: Centre for Earth Science Studies, 2008.
MLA引用形式Sreebha S. Environmental Impact of Sand Mining: A Case Study in the River Catchments of Vembanad Lake, Southwest India. Centre for Earth Science Studies, 2008.
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