1. Davis, C. H. & Khan, A. K. M. N. (1980).Maximum Livestock Production on Minimum Land. (Eds M. Haque, M. Saadullah and F. Dolberg). Proceedings of seminar. Bangladesh Agricultural University, Mymensingh. pp 31–36.
2. Davis, C. H., Saadullah, M., Dolberg, F. & Haque, M. (1983).Maximum Livestock Production on Minimum Land. (Eds C. H. Davis, T. R. Preston, M. Haque and M. Saadullah). Proceedings of seminar, Bangladesh Agricultural University, Mymensingh. pp 1–25.
3. Dolberg, F., Saadullah, M. Haque, M. & Haque, R. (1981).Maximum Livestock Production on Minimum Land. (Eds M. G. Jackson, F. Dolberg, C. H. Davis, M. Haque and M. Saadullah). Proceedings of seminar, Bangladesh Agricultural University, Mymensingh. pp. 205–224.
4. Hermans, C., Udo, H. M. J. & Dawood, F. (1987). Cattle production under village conditions in Pabna, Bangladesh: a data analysis. SAW-W-87-05, Wageningen.
5. Hermans, C., Udo, H. M. J. &Dawood, F. (1989).Agricultural Systems,29, 371–384.