Key problems in implementation of patron-driven acquisition / 中华医学图书情报杂志

ABSTRACT

After a descrption of the background of patron-driven acquisition ( PDA) or demand-driven acquision (DDA) and its short-term loan model, purchase model, auto-purchase model, librain-purchase model, and evi-dence-based acquisition model, the total amount of resources in common PDA platform, PDA models and their users were analyzed.The key problems in PDA implementation were pointed out, such as formulation of criteria for the development of resources, control of funds, mangement of MARC data, and assessment of PDA project, and sug-gestions were put forward for their solution .