«Response probability assessment of sexual enjoyment among Nigerian couples during COVID-19 lockdown », AJBR, т. 24, вып. 3, сс. 347–354, окт. 2021, просмотрено: 13 июнь 2026 г. [онлайн]. доступно на: https://www.ojshostng.com/index.php/ajbr/article/view/2272