Analisis faktor-faktor yang dipertimbangkan bagian kepegawaian perusahaan langganan dalam membeli layanan medical check up Rumah Sakit Pusat Pertamina tahun 2012 = Analysis of considered factors in Human Resources & Development Departements of existing corporate clients in purchasing to medical check-up services of Pertamina Central Hospital in 2012 / Deastri Pratiwi - Deastri Pratiwi, author (2013)