SAM, BUNLEAP. <br/><br/>
Effect of pH DRC and coagulation time on Po, PRI and colour, ឥទ្ធិពលpH និងរយៈពេលទុកអោយកកនៃជ័រកៅស៊ូចំពោះតំលៃPo, PRI  និងពណ៌ 

 - Phnom Penh  RUA  2003 
 - 54p.  ill.  29cm. 
<br/><br/><label>Dewey Class. No.: </label>ATM.Sp SAM 2003 B059 Or.1