Seminar on Resource Base and Problems of Regional Development of North-Eastern Region of India Shillong, India, & North Eastern Hill University. (1977). Seminar on resource base and problems of regional development of North-Eastern region of India, 1977: Papers. Dept. of Geography, School of Environmental Sciences, North Eastern Hill University.
Lua i Stíl Chicago (17ú heag.)Seminar on Resource Base and Problems of Regional Development of North-Eastern Region of India Shillong, India, agus North Eastern Hill University. Seminar on Resource Base and Problems of Regional Development of North-Eastern Region of India, 1977: Papers. Shillong: Dept. of Geography, School of Environmental Sciences, North Eastern Hill University, 1977.
Lua MLA (8ú heag.)Seminar on Resource Base and Problems of Regional Development of North-Eastern Region of India Shillong, India, agus North Eastern Hill University. Seminar on Resource Base and Problems of Regional Development of North-Eastern Region of India, 1977: Papers. Dept. of Geography, School of Environmental Sciences, North Eastern Hill University, 1977.