Comparative Analysis of Production Performance and Economic Efficiency between Open and Closed House Broiler Systems under a Partnership Model in Malang Regency, Indonesia. - Febrianto, Nanang; Hidayati, Nabila Nur; Helmi, Muhammad; Akhiroh, Puji; Winarto, Priyo Sugeng; Hartono, Budi (BIO Web of Conferences, 2026)