Significance of APC: An Article Processing Charge (APC) is required to maintain the journal's quality, which includes paying reviewers, typesetting articles, assigning DOIs, registering metadata, indexing, and ensuring the long-term preservation of digital content. This supports accessibility through open access. Payment and Refund Policy: We understand that mistakes happen. If you believe you've been charged twice for the same transaction, we'll be happy to issue a full refund. To expedite the process, please submit a copy of your payment confirmation (bank statement, receipt, etc.) to the above mentioned email address. Important Note: Refunds are only available for duplicate transactions.