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Writer : Le Thi Viet Nga ؛ Doan Nguyen Minh ؛ Dinh Phuong Anh ؛ Pham Minh Dat ؛
Journal:PalArch's Journal of Archaeology of Egypt»August 2021, Volume 18 - Number 17 (11 page(s) - From 689 to 699 )
Keywords:Gravity ModelUSnonAgricultural Tradetariff barriersVietnamPPML Estimation