0 investigation of the habits and preferences of the public in choosing what goods to buy -- penelitian pasar
中文繁体
市場調查，市場調研…
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市场调研，市场调查…
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estudio de mercado…
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pesquisa de mercado…
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piyasa/pazar araştırması…
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étude de marché…
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průzkum trhu…
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markedsundersøgelse…
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