Ku-Mahamud, Ku Ruhana and M. Oktovia, Brigida (1995) An empirical study of the extent of usage of quantitative techniques in Malaysian business firms. Project Report. Universiti Utara Malaysia, Sintok. (Unpublished)

Ku-Mahamud, Ku Ruhana and M. Oktovia, Brigida (1996) The extent of usage of quantitative techniques in Malaysian business firms. Analisis, 4 (1). pp. 1-11. ISSN 0127-8983