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Phattra Phokasuntarangkoon. 1995. The formation of some cobalt and nickel complexes on clay surface. Graduate School, Chiang Mai University;
Phattra Phokasuntarangkoon. (1995) The formation of some cobalt and nickel complexes on clay surface . Chiang Mai University/Chiang Mai.
Phattra Phokasuntarangkoon. The formation of some cobalt and nickel complexes on clay surface. . Chiang Mai:Chiang Mai University, 1995.
Phattra Phokasuntarangkoon. (1995) The formation of some cobalt and nickel complexes on clay surface . Chiang Mai University/Chiang Mai.