Mahmud, S., Alam, M., Rahman, M., Amin, M. and Hassan, M. 2018. Productivity and economics of maize–squash intercropping at different planting systems. Journal of the Bangladesh Agricultural University. 16, 1 (Apr. 2018), 23–26. DOI:https://doi.org/10.3329/jbau.v16i1.36476.