Hashim, Zakiah and Ismail, Wan Rosmanira and Ahmad, Norfaieqah (2012) Determination of optimal self-drive tourism route using the orienteering problem method. In: 20th National Symposium on Mathematical Sciences, 18–20 December 2012, Palm Garden Hotel, Putrajaya, Malaysia.

Hashim, Zakiah and Mat Desa, Wan Laailatul Hanim and Aziz, Hurul Ain and Mohd Zaki, Nur Mariana Zaimah (2018) Greedy method for solving the Langkawi tourist route: A case study. Journal of Technology and Operations Management, 13 (1). pp. 18-25. ISSN 1823-514X

Hashim, Zakiah and Mat Desa, Wan Laailatul Hanim and Aziz, Hurul Ain and Mohd Zaki, Nur Mariana Zaimah (2018) Greedy method for solvingthe langkawi touristroute: a case study. In: Journal of Technology and Operations Management 13 (1), 18-25 (2018).

Mat Desa, Wan Laailatul Hanim and Alwi, Azatuliffah and Hashim, Zakiah (2007) Kecekapan operasi farmasi pesakit luar di Hospital Alor Setar menggunakan model simulasi. Project Report. Universiti Utara Malaysia. (Unpublished)

Hashim, Zakiah and Mat Desa, Wan Laailatul Hanim and Aziz, Hurul Ain and Mohd Zaki, Nur Mariana Zaimah (2018) Solving an optimal route for tourist at Langkawi using heuristics technique. In: 2nd Conference on Technology & Operations Management (2ndCTOM), February 26-27, 2018, Universiti Utara Malaysia, Kedah, Malaysia. (Unpublished)

Engku Abu Bakar, Engku Muhammad Nazri and Hashim, Zakiah and Bidin, Siti Jamilah (2018) Students group formation for an English conversation class using 0-1 integer linear programming. Journal of Advanced Research in Social and Behavioural Sciences, 11 (1). pp. 166-173. ISSN 2462-1951