api 288API Media is the recommended formula by the American Petroleum Institute in the API-RP38 standard for monitoring SRB in oil and gas systems . ... Case (288 Vials), Field CaseUniversitas Brawijaya 288 ... Kereta Api Indonesia (Persero) terhadap Kepuasan Pengguna Menggunakan Webqual 4.0 dan Importance-Performance Analysis (IPA) Izzati Dalilah1,