Bohari, Abdul Manaf and Rainis, Ruslan and Marimuthu, Malliga (2010) Customer lifetime value as a predictor for future prospect of retailer's survival: A review of customer lifetime value model. In: The Third International Conference on International Studies (ICIS 2010), 1st-2nd December 2010, Hotel Istana Kuala Lumpur. College of Law, Government and International Studies, Universiti Utara Malaysia., Sintok, pp. 1-15. ISBN 9789832078456

Bohari, Abdul Manaf and Rainis, Ruslan and Marimuthu, Malliga (2010) Spatial information systems for sustaining the profitability of retailer business during the global meltdown economy. In: The Third International Conference on International Studies (ICIS 2010), 1st-2nd December 2010, Hotel Istana Kuala Lumpur. College of Law, Government and International Studies, Universiti Utara Malaysia. , Universiti Utara Malaysia, pp. 1-14. ISBN 9789832078456

Bohari, Abdul Manaf and Rainis, Ruslan and Marimuthu, Malliga (2011) Transforming customer postal address into spatial address for demographic analysis: A case of non-contractual customers in Seberang Perai, Pulau Pinang of Malaysia. In: World Business, Economics and Finance Conference , 26 - 27 September 2011 , Bangkok, Thailand . (Unpublished)