ดาราฉาย ซ. A discourse analysis of Islamic sermons in Friday Khutbah books of Yakoob Thuamprathom. JLA [internet]. 2017 Dec. 29 [cited 2025 Mar. 15];9(2):212-37. available from: https://so03.tci-thaijo.org/index.php/journal-la/article/view/107729