Bhutan. National Environment Commission. (1999). Strategic environmental assessment: Sectoral guidelines. National Environment Commission.
Chicagoスタイル(17版)引用形式Bhutan. National Environment Commission. Strategic Environmental Assessment: Sectoral Guidelines. Thimphu: National Environment Commission, 1999.
MLA(8版)引用形式Bhutan. National Environment Commission. Strategic Environmental Assessment: Sectoral Guidelines. National Environment Commission, 1999.
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