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RSH
An tsara kimantawar ƙasar ne don bayar da shaida wanda zai iya taimaka wajen yanke shawarwari a lokacin tsara cibiyoyin ƙasar don Cibiyar Kayayyaki da Tallafi na Kariya (RSH). An gabatar da hanyoyi daban-daban don tattara bayanai a cikin aikin kimanta ƙasar. Waɗannan sun hada da Ganawa tare Muhimman masu ba da bayanai, Bincike ta yanar gizo da Bitar Binciken da Wasu suka wallafa.
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Nigeria