Bugu da ƙari, binciken ya kimanta manyan abubuwan kasuwa, wanda ya rufe farashi, ƙimar amfani, ƙimar girma, iya aiki, samarwa, yawan amfani, amfani, kudaden shiga, fitarwa, samarwa, farashi, rabon kasuwa, babban gefe, shigo da kaya, da buƙatu.Bugu da ƙari, binciken yana ba da cikakken rarrabuwa na duniya ...
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