Setiawati, Novianti Amalia, Nandang Nandang, and Nizza Nadya Rachmani. “The Influence of Marketing Mix on Purchase Decision in the Kiyoptiykey Entrusted Service”. TOFEDU: The Future of Education Journal 4, no. 9 (December 28, 2025): 5428–5434. Accessed February 2, 2026. https://journal.tofedu.or.id/index.php/journal/article/view/1230.