Chaulagain, Bhimsen, et al. “Productivity and Land Use Efficiency of Maize Varieties under Different Row Spacings in a Maize–Finger Millet Relay Cropping System of the Mid-Hills of Nepal”. Agronomy Journal of Nepal, vol. 9, Dec. 2025, pp. 172-9, doi:10.3126/ajn.v9i1.91446.