Jantung kuat bernapas lega bagaimana memelihara kesehatan jantung dan sistem pernapasan anda KNIGTH, John F Panjaitan, M Limanto, Lina Wewengkang, R.S Manulang, Jahotner F text Bandung Indonesia Publishing House 19. ind Judul asli : Family medical care : major system of the body and emergencies Jantung