คณะผู้วิจัยขอขอบคุณ Silpakorn University Research and Development Institute ที่ได้ให้ทุนอุดหนุนการวิจัย และขอบคุณ ปตท ที่ได้สนับสนุนวัตถุดิบและการตรวจวิเคราะห์
Thanks to Silpakorn University researchers and Development Research Institute, research and order costs thanks to the support of raw materials and patot monitoring.
The authors thank Silpakorn University Research and Development Institute has provided research grants and thanks to PTT to be supporting material and analysis.
The researchers, thank you Silpakorn University Research and Development Institute that give funds for research and for PTT that support material and analysis