https://onlinelibrary.wiley.com/doi/abs/10.1111/eje.12592
https://onlinelibrary.wiley.com/doi/abs/10.1002/jdd.12356
http://www.joralres.com/index.php/JOR/article/view/joralres.2019.044
https://www.sciencedirect.com/science/article/pii/S1991790219308554
https://onlinelibrary.wiley.com/doi/abs/10.1111/jopr.13129
https://onlinelibrary.wiley.com/doi/abs/10.1111/scd.12460
https://pubmed.ncbi.nlm.nih.gov/32651518/
https://onlinelibrary.wiley.com/doi/abs/10.1111/scd.12460
https://www.joms.org/article/S0278-2391(20)30225-1/abstract
https://onlinelibrary.wiley.com/doi/10.1111/eje.12614
https://pubmed.ncbi.nlm.nih.gov/31489618/