Ukene, D., & Barbero, A. S. (2014). Planning for Recreational Activities in Calabar City Centre. Obafemi Awolowo University.
Chicago Style (17. basım) AtıfUkene, Daniel, ve A. S. Barbero. Planning for Recreational Activities in Calabar City Centre. Obafemi Awolowo University, 2014.
MLA (9th ed.) AtıfUkene, Daniel, ve A. S. Barbero. Planning for Recreational Activities in Calabar City Centre. Obafemi Awolowo University, 2014.
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