Vipin, K. S. (2007). Sulphur -Zinc Interaction in integrated nutrient supply system of wetland RIce (Orya sativa L.) (M SC.). College of Agriculture.
استشهاد بنمط شيكاغوVipin, K S. Sulphur -Zinc Interaction in Integrated Nutrient Supply System of Wetland RIce (Orya Sativa L.). M SC. Vellayani: College of Agriculture, 2007.
MLA استشهادVipin, K S. Sulphur -Zinc Interaction in Integrated Nutrient Supply System of Wetland RIce (Orya Sativa L.). M SC. College of Agriculture, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.