In the preparation of teaching materials to model this time. Researchers have produced models because it uses a unified media teaching is conducted in illustration. There is a trial shipment from the manufacturer to the consumer.
In preparing models for learning and teaching time. The research was conducted on the model. As a medium of instruction, as illustrated in the narrative. There is a trial shipment from the manufacturer to the consumer.
In preparation for this teaching model The data model. Due to use as a medium of instruction, as illustrated in the lecture. A trial delivery from producers to consumers.