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.

Credit Card and PayPal

If you have a credit card or PayPal account, we strongly encourage you to pay the fee through PayPal. PayPal enables users, whether or not they are PayPal members, to use all major credit cards, including Visa, Mastercard, Discover, and American Express. PayPal is fast, secure, and free transaction, and protect the rights of buyers and sellers. Please consult the local PayPal customer service.

please select an amount option (the exact amount listed on the Result of Review), type the journal title and the article title in the textbox below, and then click Add to Cart.

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• Fully refund: online version is unpublished.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.