Cahyandari, D., and M. T. Prasetyo. “Improvement of Traditional Poultry Housing Production Capacity Using Feather Tool In Sapuran District, Wonosobo District”. Berdikari: Jurnal Pengabdian Masyarakat Indonesia, Vol. 1, no. 3, Apr. 2019, pp. 135-40, https://jurnaljpmi.com/index.php/jpmi/article/view/9.