United Nations. Industrial Development Organization, V. (1970). Development of industrial exports: Papers presented at the training .... 1968. United Nation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. Industrial Development Organization, Vienna. Development of Industrial Exports: Papers Presented at the Training .... 1968. United Nation, 1970.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. Industrial Development Organization, Vienna. Development of Industrial Exports: Papers Presented at the Training .... 1968. United Nation, 1970.
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