Uchenna, Ugwu, Orji Ogochukwu, and Amadi Ezike. 2017. “Retirees’ Knowledge of Living in a Ventilated Apartment As a Measure for Healthy Ageing Promotion”. NIGERIAN JOURNAL OF HEALTH PROMOTION 10 (1). https://journals.aphriapub.com/index.php/NJHP/article/view/1843.