ZALI, M. 2019. Strategic Strategy Sonok Culture in Efforts to Purify Madura Cattle: (case study in Waru Barat village, Pamekasan district). Jurnal Sains Peternakan. 7, 2 (Dec. 2019), 102–121. DOI:https://doi.org/10.21067/jsp.v7i2.3566.