ดวงรัตน์ ท. NEVER SPLIT THE DIFFERENCE. วารสารสุทธิปริทัศน์, Bangkok, Thailand, v. 33, n. 108, p. 284–285, 2019. Disponível em: https://so05.tci-thaijo.org/index.php/DPUSuthiparithatJournal/article/view/242314. Acesso em: 16 ก.ย. 2026.