Deesoon, Nilnate, and Supaporn Suwannarongsri. 2022. “VEHICLE ROUTING OF PARCEL POST DISTRIBUTION IN NONTHABURI USING PARTICLE SWARM OPTIMIZATION”. Srinakharinwirot University Journal of Sciences and Technology 14 (27, January-June):105-18. https://ph02.tci-thaijo.org/index.php/swujournal/article/view/246970.