Dian Hanif, Yudha Pradana, Sudarmiatin Sudarmiatin, Ita Prihatining Wilujeng. The Analysis of the Application of 7Ps in Improving the Lambau Semboro Jember Billiards Service Business. HarmoniEconomics [Internet]. 2025 Nov. 24 [cited 2026 Mar. 3];2(4):152-7. Available from: https://economics.ifrel.org/index.php/HarmoniEconomics/article/view/356