@article{Wang2023,
author = {Wang, Y. and Peng, C. and Cai, S.},
title= {Does parents’ cognitive ability affect household educational investment? Evidence from Chinese families with left behind children},
year = {2023},
doi = {10.1371/journal.pone.0286987},
volume = {18},
number = {6},
pages = {0286987},
}