Sila, D. N. (2024). Willingness to pay for improved conservation of water catchment in Hai district, Tanzania. Mzumbe University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sila, Darra N. Willingness to Pay for Improved Conservation of Water Catchment in Hai District, Tanzania. Mzumbe University, 2024.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sila, Darra N. Willingness to Pay for Improved Conservation of Water Catchment in Hai District, Tanzania. Mzumbe University, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.