Oxford36 Oxford University Press,33 ondon6 Oxford University Press.,6 Open University Press,6 Oxford :2 ogyakarta; Graha Ilmu,1 Oxford Polytechnic Press,1 Ohio :1 Oxford University Pres Ltd.,1 Ohio Standard1 Oxport University Press,1 Open university Press.,1 Orbis Publishing,1 Oregon1 Orlando1 Oxford : :1 Octopus Books Ltd.,1 Oxford basil Blackwell1 Offord University Press,1