mitra jpJuwana YB, Wirianta J, Ottervanger JP, et al. Primary coronary intervention for ST elevation myocardial infarction in Indonesia: comparison with Europe. Neth Heart J 2009 Nov;17(11):418-21. Juwana YB, Rasoul S, OttervangerIndef menilai aplikator ojek on (ojol) harus memberikan fasilitas ketenagakerjaan bagi mitranya.