-- 作者： byebyecanada -- 发布时间： 2006/01/13 11:20pm i have some  loose-leaf books about petroleum engineering project,the content include:1.contract management,cost control,risk control,project estimation,quality control. if someone require them ,just sent E-mail to jasonzgl@hotmail.com,i will call you later.It's free! -- 作者： 溪水长 -- 发布时间： 2006/08/30 03:47am Sorry I just saw your message. Are they still available? By the way are you changing careers by leaving petroleum industry? Thank you anyway. -- 作者： evilsoul -- 发布时间： 2006/09/03 07:47pm byebyecanada? 不是要回流了吧？ 这年头好人还是有的！