«Evaluation of Newcastle Disease Vaccination Regime for Commercial Guinea Fowls Production in Kumasi, Ghana», AJBR, т. 23, вып. 3, сс. 443–445, сен. 2020, просмотрено: 21 май 2026 г. [онлайн]. доступно на: https://www.ojshostng.com/index.php/ajbr/article/view/191