Payap University Journal
Vol. 32 No. 1 (2022)

Payap University Journal
Vol. 31 No. 2 (2021)

Payap University Journal
Vol. 31 No. 1 (2021)

Payap University Journal
Vol. 30 No. 2 (2020)

Payap University Journal
Vol. 30 No. 1 (2020)

Payap University Journal
Vol. 29 No. 2 (2019)

Payap University Journal
Vol. 29 No. 1 (2019)

Payap University Journal
Vol. 28 No. 2 (2018)

Payap University Journal
Vol. 28 No. 1 (2018)

Payap University Journal
Vol. 27 No. 2 (2017)