Article Processing Charges (APC)

The article processing charges can be paid by Credit Card, PayPal, Bank Transfer, Wire Transfer, Western Union, Alipay, WeChat and We also accept USDT. If you have any questions regarding payment, please do not hesitate to contact the editorial assistants.

PayPal / Credit Card

Bank Transfer / Wire Transfer / Alipay / WeChat / Credit Card

Western Union

Please contact journal editor for Western Union account information.

USDT

Please contact journal editor for account information.

Refund Policy

We implement a reasonable refund policy based on the publishing status.

  • Fully refund: online version is unpublished.
  • No refund: online version is published.