Rattanapaiboon, Weerayaporn, Narouchit Dampin, and Kasem Chankao. “ปริมาณโลหะหนักที่สะสมในผักบุ้ง (Ipomoea aquatica Forsk) ที่ปลูกในแม่น้ำท่าจีน: The quantity of heavy metal accumulated in Water Spinach (Ipomoea aquatica Forsk) Cultured in Tha Chin River”. Asian Health, Science and Technology Reports 23, no. 1 (April 16, 2015): 82–93. accessed April 22, 2026. https://ph03.tci-thaijo.org/index.php/ahstr/article/view/2008.