Addukali, M. T. A. (2020). Determination of soil erosion factors using universal soil loss equation and geographic information system in Ipoh City in Perak State, Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Addukali, Mohamed Tekhikh Abdalfettah. Determination of Soil Erosion Factors Using Universal Soil Loss Equation and Geographic Information System in Ipoh City in Perak State, Malaysia. 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Addukali, Mohamed Tekhikh Abdalfettah. Determination of Soil Erosion Factors Using Universal Soil Loss Equation and Geographic Information System in Ipoh City in Perak State, Malaysia. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.