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Usman Sunusi Usman, Peter Njiforti, Maryam Adamu, Auwal Yahaya, Aliyu Muhammad Maigoro, Ado Shehu, Kabir Sabitu, Gana Muhammad Lawan, Abubakar Muhammad Kurfi, Jibrin Adamu Damazai and Ibrahim Adam Abdullahi. Willingness to pay for routine immunization services in Kano State: A contingent valuation survey. World Journal of Advanced Research and Reviews, 2023, 19(1), 302-314. Article DOI: https://doi.org/10.30574/wjarr.2023.19.1.1320