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This research was aimed at developing printed teaching materials of Atomic Physics PEFI4421 Course usingResearch and Development (R & D) model; which consisted of three major set of activities. The first set consisted ofseven stages, the second set consisted of one stage, and the third set consisted of seven stages. This research studywas scheduled at the first year of the course development. This study concluded that (1) the teaching materials usedfor Atomic Physics Course PEFI4421 weredoi:10.5430/wje.v7n5p1 fatcat:viwcpedilfewzfml5wl5tusmmy