2018 https://www.tandfonline.com/doi/pdf/10.1080/10736700.2018.1518757?casa_token=SPxUBLw7V7EAAAAA:rmpNpxEiTUQu1Kyi-IC35oG7XEBYKcfdJ46Mn54USqf7AM1osJoK_ynZ_8m7CKYdpHtdAYDreZOqCg Academic paper
2018 https://www.tandfonline.com/doi/pdf/10.1080/10736700.2018.1518757?casa_token=SPxUBLw7V7EAAAAA:rmpNpxEiTUQu1Kyi-IC35oG7XEBYKcfdJ46Mn54USqf7AM1osJoK_ynZ_8m7CKYdpHtdAYDreZOqCg Academic paper