Excavation of kanggezhuang tombs in laoting county 乐亭县前炕各庄墓群发掘报告
2.
The warning of natural disaster history in lao ting county and the measures about preventing and reducing disaster 乐亭县自然灾害史之警示及防减灾措施探讨
3.
Activity attribute of tourists at the youth square in laoting county of hebei province and the implantation and development of physical education 河北省乐亭县青春广场游人活动特征和体育运动的培植与发展
