Pongprom, N. (2017). The application of natural dyes for natural rubber latex foam products / Nipawan Pongprom. Universiti Teknologi MARA Cawangan Pulau Pinang.
Chicago Style (17. basım) AtıfPongprom, Nipawan. The Application of Natural Dyes for Natural Rubber Latex Foam Products / Nipawan Pongprom. Universiti Teknologi MARA Cawangan Pulau Pinang, 2017.
MLA (9th ed.) AtıfPongprom, Nipawan. The Application of Natural Dyes for Natural Rubber Latex Foam Products / Nipawan Pongprom. Universiti Teknologi MARA Cawangan Pulau Pinang, 2017.
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