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Vol. 39, No. 6, December 2021
Luca Cirillo, Adriana Greco, Claudia Masselli
https://doi.org/10.18280/ijht.390601
Page 1689-1696

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Zainal Arifin, Ilham Wahyu Kuncoro, Miftah Hijriawan
https://doi.org/10.18280/ijht.390606
Page 1741-1747

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