Zulkifli, N., Abdullah, L. & Garg, H. (2021). An Integrated Interval-Valued Intuitionistic Fuzzy Vague Set and Their Linguistic Variables. International Journal of Fuzzy System. 23:182-193.
Abdullah, L., Zulkifli, N., Liao, H. & Herrera-Viedma, E. (2019). An interval-valued intuitionistic fuzzy DEMATEL method combined with Choquet integral for sustainable solid waste management. Engineering Applications of Artificial Intelligence 82, 207 – 215.
Abdullah, L. & Zulkifli, N. (2017). A new DEMATEL method based on interval type-2 fuzzy sets for developing causal relationship of knowledge management criteria. Neural Computing and Applications, 8.
Abdullah, L. & Zulkifli, N. (2015). Integration of fuzzy AHP and interval type-2 fuzzy DEMATEL: An application to human resource management. Expert Systems with Applications. 42(9), 4397-4409.
Conference Paper
Zulkifli, N. & Abdullah, L. (2018). Intuitionistic Fuzzy DEMATEL for Municipal Solid Waste Treatment Technologies. Proceeding International Journal of Engineering & Technology, 7 (3.7):610-612.
Abdullah, L. & Zulkifli, N. (2015). Fuzzy DEMATEL for Determining the Importance of Criteria in Computer Vendor Selection. Proceeding in Advances in Information Sciences and Service Sciences. 21.
Book Chapter
Abdullah, L., Ahmad, S., Sabri, N,H., Mohd Zin, Z., Wan Hassan, W.H. & Zulkifli, N. (2016). Saintis Islam: Anjakan Cendekiawan Profesional: Modul Pengembangan Daya Fikir & Intelektual. UMT Publisher, Kuala Terengganu, Malaysia. ISBN 978-967-0962-160.
