Singh, D. V. (1998). Impact evaluation study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Agro-Economic Research Centre, Himachal Pradesh University.
Chicago-viite (17. p.)Singh, D. V. Impact Evaluation Study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Shimla, India: Agro-Economic Research Centre, Himachal Pradesh University, 1998.
MLA-viite (8. p.)Singh, D. V. Impact Evaluation Study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Agro-Economic Research Centre, Himachal Pradesh University, 1998.
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