Natural Resources, Energy & Science Authority of Sri Lanka. Social science research methodology; seminar report, 24 August - 13 September 1980. Natural Resources.
Style de citation Chicago (17e éd.)Natural Resources, Energy & Science Authority of Sri Lanka. Social Science Research Methodology; Seminar Report, 24 August - 13 September 1980. s.l: Natural Resources.
Style de citation MLA (9e éd.)Natural Resources, Energy & Science Authority of Sri Lanka. Social Science Research Methodology; Seminar Report, 24 August - 13 September 1980. Natural Resources.
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