Wipharat Chuachuad. 1999. Comparison of analytical techniques for trace metals for the certification of in-house rice flour reference material. Faculty of Graduate Studies, Mahidol University;
Wipharat Chuachuad. (1999) Comparison of analytical techniques for trace metals for the certification of in-house rice flour reference material . Mahidol University/Bangkok.
Wipharat Chuachuad. Comparison of analytical techniques for trace metals for the certification of in-house rice flour reference material. . Bangkok:Mahidol University, 1999.
Wipharat Chuachuad. (1999) Comparison of analytical techniques for trace metals for the certification of in-house rice flour reference material . Mahidol University/Bangkok.