APA (7th ed.) Citation

Ahmed, L. N., Özcan, E., & Kheiri, A. (2015). Solving high school timetabling problems worldwide using selection hyper-heuristics. Elsevier.

Chicago Style (17th ed.) Citation

Ahmed, Leena N., Ender Özcan, and Ahmed Kheiri. Solving High School Timetabling Problems Worldwide Using Selection Hyper-heuristics. Elsevier, 2015.

MLA (9th ed.) Citation

Ahmed, Leena N., et al. Solving High School Timetabling Problems Worldwide Using Selection Hyper-heuristics. Elsevier, 2015.

Warning: These citations may not always be 100% accurate.