Resultados de búsqueda - Zia, Muhammad Amir

What are farmers really planting? Measuring the presence and effectiveness of Bt cotton in Pakistan por Spielman, David J., Zaidi, Fatima, Zambrano, Patricia, Khan, Asif Ali, Ali, Shaukat, Cheema, Masooma Naseer, Nazli, Hina, Khan, Sohail Ahmad, Iqbal, Arshad, Zia, Muhammad Amir, Ali, Ghulam Muhammad

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