Perhaps you should try some spelling variations:
"sun series in african urban studies." » "sun series in africa urban studies.", "sun series in africas urban studies.", "sun series in africa's urban studies.", "suny series in african urban studies.", "issn series in african urban studies.", "kun serries in african urban studies."
"sun series in african rural studies." » "sun series in african rural students.", "sun series in african israel studies.", "sun series in african legal studies.", "suny series in african rural studies.", "issn series in african rural studies.", "kun serries in african rural studies."

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