แสงวัฒนะ พิษณุ, and เตชธรรมรักข์ ปลื้มจิตต์. “The Factor Affecting Seam Strength Sewn With Ultrasonic Sewing Machine”. Frontiers in Engineering Innovation Research 12 (December 30, 2008): 71–75. accessed September 2, 2026. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242205.