Sarian, Z. B. (2017). Probiotics can reduce feed costs. IN Agri Plain Talk [column]. Manila Bulletin.
Chicago-viite (17. p.)Sarian, Zacarias B. "Probiotics Can Reduce Feed Costs. IN Agri Plain Talk [column]." Manila Bulletin 2017.
MLA-viite (9. p.)Sarian, Zacarias B. "Probiotics Can Reduce Feed Costs. IN Agri Plain Talk [column]." Manila Bulletin, 2017.
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