Boonmee P, Makrachan T. Psychological Factors Influencing the Pricing and Final Price Analysis of Premium Phone Numbers. JDC [internet]. 2026 Jun. 25 [cited 2026 Sep. 1];10(1):83-103. available from: https://so04.tci-thaijo.org/index.php/NBTC_Journal/article/view/271531