Md. Yusof, Azizah and Sulaiman, Jamalludin (2000) Sektor pertanian dalam era ekonomi-K: Isu dan cabaran. In: National Seminar on Malaysia's Transformation into a K- Economy: Challenges and Responses, 20 - 21 November 2000, The Pan Pacific Hotel, Kuala Lumpur. (Unpublished)

Sulaiman, Jamalludin and Ibrahim, Fatimah Wati and Othman, Yusuf and Abdul Hakim, Roslan and Abdullah, Norehan (1996) Industrial linkages of the small and medium scale enterprises in Kedah Darulaman. Discussion Paper. Universiti Utara Malaysia, Sintok. (Unpublished)

Sulaiman, Jamalludin and Ahmad, Abd Halim and Actavio, Generoso and Yusuf, Rohana and Sakdan, Mohd Fo'ad and Bakar, Rosni (1995) Kajian impak dan penilaian program Pembangunan Lembaga Kemajuan Wilayah Kedah (KEDA). Project Report. Universiti Utara Malaysia, Sintok. (Unpublished)