1. Column generation technique for crew rostering problem with workload and earnings balancing
Supphakorn Sumetthapiwat, Boonyarit Intiyot and Chawalit Jeenanunta

2. Cultivation logistics cost reduction for queen pineapple using mixed-integer linear programming
Chaimongkol Limpianchob and Somyot Chirnaksorn

3. A two-stage linear assignment problem
Jaruwan Keawsandsound, Peerayuth Charnsethikul and Saeree Svetasreni

4. Development of formula for computing power input of variable-speed centrifugal pumps
Somchart Chantasiriwan

5. Wave run-up on stepped slopes
Wanich Chuenchai, Namphol Pholyeam, Sitthipong Phetchawang and Thamnoon Rasmeemasmuang

6. Relationship between time mean speed and space mean speed on main streets in bangkok
Natcha Roubtonglang and Rattaphol Pueboobpaphan

7. The use of fault tree analysis to visualize the impact of risk factors on house construction duration
Thoedtida Thipparat

8. Vehicle handling performance and testing guideline
Songwut Mongkonlerdmanee, Kullayot Suwantaroj and Supachai Lakkam