Hirihattaya Phetmung. 2003. Quantum mechanics calculation: asymmetric phosphines in methanol carbonylation. Songkhla:Thaksin University;
Hirihattaya Phetmung. (2003) Quantum mechanics calculation: asymmetric phosphines in methanol carbonylation (รายงานผลงานวิจัย). Thaksin University:Songkhla.
Hirihattaya Phetmung. Quantum mechanics calculation: asymmetric phosphines in methanol carbonylation. Songkhla:Thaksin University, 2003.
Hirihattaya Phetmung. (2003) Quantum mechanics calculation: asymmetric phosphines in methanol carbonylation (รายงานผลงานวิจัย). Thaksin University:Songkhla.