Henny Saida Flora
(1), Shanshan Xu
(2), Murphy Xavier
(3), Woolnough Cale
(4), M. Syahputra
(5)
(1)
Universitas Katolik Santo Thomas, Indonesia,
(2)
Texila American University, Guyana,
(3)
Institute for Training of Advanced Teachers, Suriname,
(4)
Chernihiv National Technological University, Ukraine,
(5)
Universitas Syedza Saintika, Indonesia