Abdullahi AAM, Ali S, Hassan M, Ngadda YH. A SURVEY OF SMARTPHONE-RECORDED OUTDOOR NOISESCAPE AT THE 1000-HOUSING ESTATE, MAIDUGURI, BORNO STATE, NIGERIA. NJP. 2022;31(2):228-238. Accessed June 14, 2025. https://njp.nipngr.org/index.php/njp/article/view/80