Dagona, S. S., U. Archibong, and G. T. McClelland. “TRANSLATION AND VALIDATION OF THE AMSTERDAM PREOPERATIVE ANXIETY AND INFORMATION SCALE (APAIS) INTO HAUSA LANGUAGE”. PEOPLE: International Journal of Social Sciences, vol. 4, no. 3, Feb. 2019, pp. 1610-32, doi:10.20319/pijss.2019.43.16101632.