por Hay, Edward J [autor] | Cardenas, Margarita [traductor] | Hay, Edward J. Just in time breakthourgh.
por Ishikawa, Kaoru, 1915- [autor] | Ishikawa, Kaoru, 1915-. TQC to wa nani ka, Nihon-teki hinshitsu kanri | Lu, David J [traductor] | Cardenas, Margarita [traductor].