Jihadul Mustafid, Chamid Sutikno. The Concept of Sky and Online Marketing (MLO Concept) As Business Communications Synergy Through Spiritual and Digital Approaches. icontrees [Internet]. 2022 Nov. 15 [cited 2024 Jul. 3];:241-58. Available from: https://proceedings.uinsaizu.ac.id/index.php/icon-tress/article/view/249