Retraction notices

Research on the Development of my country's Preschool Education Supply System from the Perspective of Supply and Demand Balance based on the Big Data

Type
Retraction
Notice date
9/16/2022 0:00
Journal
Journal of Physics: Conference Series
Publisher
IOP Publishing
Notice DOI
10.1088/1742-6596/1744/4/042254
Original paper DOI
10.1088/1742-6596/1744/4/042057

Reasons