BIBCYT http://bibcyt.ucla.edu.ve/cgi-win/be_alex.exe?Ultimo&Nombrebd=BIBCYT UCLA - Biblioteca de Ciencias y Tecnologia Felix Morales Bueno Chen, Jian cylee@ust.hk P Principal Lee, Chung-Yee cylee@ust.hk P Principal Zhang, Ju-liang P Principal Inventory control problem with freight cost and stochastic demand November 2009 pp. 443-446 Lee, Chung-Yee cylee@ust.hk P Principal Inventory replenishment model: lot sizing versus just-in-time delivery Vol: 32 pp. 581-590 Lee, Chung-Yee cylee@ust.hk P Principal Qi, Xiangtong P Principal Vehicle scheduling with combinable delivery and pickup operations November 2009 pp. 399-404