Seminar on the Role of Pine Resin in the Economic and Industrial Development of India. (1970). SYMPINE: technical papers (Supplement): Proceedings of the Seminar on the Role of Pine Resin in the Economic and Industrial Development of India held at New Delhi from 13th and 14th April 1971. Tata Press.
Lua i Stíl Chicago (17ú heag.)Seminar on the Role of Pine Resin in the Economic and Industrial Development of India. SYMPINE: Technical Papers (Supplement): Proceedings of the Seminar on the Role of Pine Resin in the Economic and Industrial Development of India Held at New Delhi from 13th and 14th April 1971. Bombay: Tata Press, 1970.
Lua MLA (9ú heag.)Seminar on the Role of Pine Resin in the Economic and Industrial Development of India. SYMPINE: Technical Papers (Supplement): Proceedings of the Seminar on the Role of Pine Resin in the Economic and Industrial Development of India Held at New Delhi from 13th and 14th April 1971. Tata Press, 1970.