Merican, Yasmine and Yusop, Zulkornain and Mohd. Noor, Zaleha and Law, Siong Hook (2007) Foreign direct investment and inequality in four ASEAN nations. In: International Economic Conference on Trade and Industry (IECTI) 2007, 3 - 5 December 2007, Bayview Hotel Georgetown, Penang. (Unpublished)

Applanaidu, Shri Dewi and Mohd Arshad, Fatimah and Shamsudin, Mad Nasir and Yusop, Zulkornain and Alias, Mohammad (2011) Impact of biodiesel demand on the Malaysian palm oil export: A simultaneous equations approach. In: National Conference on the Tenth Malaysia Plan: Transformation Towards a High Income Advanced Economy, 18th July 2011, Seri Pacific Hotel, Kuala Lumpur. (Unpublished)

Saidon, Ruhaida and Yusop, Zulkornain and Ismail, Normaz Wana and Law, Siong Hook (2012) Sectoral foreign aid and income inequality. In: 3rd International Conference on Business and Economic Research (3rd ICBER 2012), 12-13 March 2012, Golden Flower Hotel, Bandung, Indonesia.

Yaacob @ Othman, Azmahani and A Malek @ Abdul Malek, Syazwani and Yusop, Zulkornain (2017) The determinants of competitiveness based on porter's diamond model: The case of paddy farming in Kelantan. In: 4th Conference on Business Management, 29 - 30 Oktober 2017, The Gurney Resprt Hotel & Recidences Penang, Malaysia.