فهرس المقالات free-range management حرية الوصول المقاله صفحة الملخص نص كامل 1 - The Foraging Ecology of Nguni and Brahman Cattle under Different Management Systems in High-altitude Grasslands of South Africa Phumlile Simelane Julie Shapiro Thembs' Alilahlwa A. M. Mahlaba Robert McCleery Duncan MacFadyen Ara Monadjem
