As a result of events experienced by almost the entire world. namely the outbreak of the Covid-19 pandemic which caused almost all public facilities for sea and air transportation to be closed unilaterally by the local government. one of which is that airlines unilaterally cancel airplane tickets to consumers due to the outbreak of the Cocid-19 pandemic. The purpose of this study is t... https://4thmoontoyers.shop/product-category/supplies/