... considered as a complex trade. Nevertheless, in recent years,this branch has been affected by some elements as: The government policy of resourceprevention, result from large side of deforestation, ... connects intimately to human awareness.Social development needs well-trained persons, knowledge requirement madepeople need of study today higher and higher.The fact is that in the one hand, ... All of them located on the Central and South area of Vietnam, hence, their market is mainly in these provinces, included Hue and some provinces in the South of the Central region. They were built...