Tanapron T, Chiwakumnuan P. Development of Communication Skills for Students in Early Childhood Education by Using Problems - Based Learning. วารสารวิชาการ มนส. เทพสตรี [internet]. 2023 Aug. 25 [cited 2025 Dec. 6];14(2):1-12. available from: https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/260193