“Determination of MecA Gene in Staphylococcus Spp., Isolate Subclinical Mastitis Ettawa Crossbred Goat Milk in Sleman Regency”. 2014. Animal Production: Indonesian Journal of Animal Production 16 (2): 133-39. https://jap.fapet.unsoed.ac.id/index.php/JAP/article/view/1457.