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त्रिपाठी Tripathi गGथT. गहन पर्यावरणको सैद्धान्तिक अवधारणा Gahan Paryavaranko Saiddhantik Awadharana. Tribhuvan University Journal [Internet]. 2018 Dec. 31 [cited 2024 Oct. 6];32(2):281-94. Available from: https://www.nepjol.info/index.php/TUJ/article/view/24724