Tawatchai Chaisawat. 1993. Variational path-integral approach to optimizing the effective classical potentials. Graduate School, Chulalongkorn University;
Tawatchai Chaisawat. (1993) Variational path-integral approach to optimizing the effective classical potentials . Chulalongkorn University/Bangkok.
Tawatchai Chaisawat. Variational path-integral approach to optimizing the effective classical potentials. . Bangkok:Chulalongkorn University, 1993.
Tawatchai Chaisawat. (1993) Variational path-integral approach to optimizing the effective classical potentials . Chulalongkorn University/Bangkok.