กิตติปัญญาพัฒน์ ร. “A Comparative Study Of Two Heuristic Procedures For Managing Transportation Of The Sample Electric Equipment Company”. Srinakharinwirot University Engineering Journal, vol. 12, no. 2, July 2018, pp. 168-77, https://ph02.tci-thaijo.org/index.php/sej/article/view/136885.