论文信息 - What are farmers really planting? Measuring the presence and effectiveness of Bt cotton in Pakistan - 字舞流文

What are farmers really planting? Measuring the presence and effectiveness of Bt cotton in Pakistan

D. Spielman | Shaukat Ali | A. Khan | G. Ali | P. Zambrano | H. Nazli | Fatima Zaidi | H. Cheema | A. Iqbal | R. S. A. Khan | M. Zia