National Seminar on resources development and environment in the Himalayan Region. (1978). Proceedings of the National Seminar on resources development and environment in the Himalayan Region held at New Delhi, (Vigyan Bhavan) 10-13 April 1978. National Committee on Environmental Planning and Co- ordination.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Seminar on resources development and environment in the Himalayan Region. Proceedings of the National Seminar on Resources Development and Environment in the Himalayan Region Held at New Delhi, (Vigyan Bhavan) 10-13 April 1978. New Delhi: National Committee on Environmental Planning and Co- ordination, 1978.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNational Seminar on resources development and environment in the Himalayan Region. Proceedings of the National Seminar on Resources Development and Environment in the Himalayan Region Held at New Delhi, (Vigyan Bhavan) 10-13 April 1978. National Committee on Environmental Planning and Co- ordination, 1978.