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Nguyen และผู้แต่งคนอื่นๆ. 1999. Design and analysis of the algorithm for solving factorial problem of any reasonably large number using the power-decimal system. Faculty of Graduate Studies, Mahidol University;
Nguyen และผู้แต่งคนอื่นๆ. (1999) Design and analysis of the algorithm for solving factorial problem of any reasonably large number using the power-decimal system . Mahidol University/Bangkok.
Nguyen และผู้แต่งคนอื่นๆ. Design and analysis of the algorithm for solving factorial problem of any reasonably large number using the power-decimal system. . Bangkok:Mahidol University, 1999.
Nguyen และผู้แต่งคนอื่นๆ. (1999) Design and analysis of the algorithm for solving factorial problem of any reasonably large number using the power-decimal system . Mahidol University/Bangkok.