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Rocznik Skrzatuski > 2022 > 10 > 235-262
Journal of Modern Science > 2020 > 2/45/2020 > 287-310
Journal of Health Economics > 2000 > 19 > 3 > 341-367
Rocznik Skrzatuski > 2022 > 10 > 235-262
Journal of Modern Science > 2020 > 2/45/2020 > 287-310
Journal of Health Economics > 2000 > 19 > 3 > 341-367