Mag-usara, E. M. (2008). Optimal two crop succession under limited resource condition: A mixed integer goal programming to self-financed Kapatagan farmers in Kapatagan, Digos, Davao del Sur.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mag-usara, Eunice Mantilla. Optimal Two Crop Succession Under Limited Resource Condition: A Mixed Integer Goal Programming to Self-financed Kapatagan Farmers in Kapatagan, Digos, Davao Del Sur. 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mag-usara, Eunice Mantilla. Optimal Two Crop Succession Under Limited Resource Condition: A Mixed Integer Goal Programming to Self-financed Kapatagan Farmers in Kapatagan, Digos, Davao Del Sur. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.