Lali Sarab, Mahmoud, Maryam Nouri, and Ali Tarighat-Esfanjani. 2019. “Characteristics of Iranian Traditional Butter Produced in Sarab in Comparison With European and National Standards”. Progress in Nutrition 21 (1-S): 416-21. https://doi.org/10.23751/pn.v21i1-S.5932.