Punjaporn Putthatesk. 1995. Purification of urease from Bacillus pasteurii. Bangkok:Mahidol University;
Punjaporn Putthatesk. (1995) Purification of urease from Bacillus pasteurii (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Punjaporn Putthatesk. Purification of urease from Bacillus pasteurii. Bangkok:Mahidol University, 1995.
Punjaporn Putthatesk. (1995) Purification of urease from Bacillus pasteurii (รายงานผลงานวิจัย). Mahidol University:Bangkok.