Sontimuang, W. Mass Accident Investigation: The Case of the Student Van Lost control across lanes and into a ditch on the opposite side of the road. On rural highway number 5036 (rural highway intersection K.B. 6022 - Tha Tha Phae Lang Sot), Koh Lanta District. Krabi Pr. Kb. Med. J. 2025, 7, 95-104.