This research aims to 1) to improve the efficiency and security of electronic books in electrical performance criteria 80/80. 2) to compare the achievement of students after the school's security system with electronic books in electrical 3) to study student satisfaction with the electronic book security issues in electrical. The target audience for this research is the leading student 3rd year secondary school for Sciences, UNESCO Office for elementary education zones, Sakon Nakhon District 1 1 semester academic year 1 number 2557 (2014) -The number of 20 people used tools in research 1) Electronic book security system in electrical grade 32) a test measuring achievement in electronic book security system electrical grade 3 is a quiz choose the type of Edition 1 options 30 4 and 3) the evaluation of satisfaction with learning electronic book security system in electrical grade 3 statistics are used to analyse data, including average, standard deviation, and t-test (associated Dependent Samples)The research results showed that1. electronic books that researchers have developed a powerful 80.75/82.17, which is higher than the benchmark set at 80/80.2. the achievement of a high school student that is 3 academic years with electronic books studying 2557 (2014) After studying classes than before the actual statistical significant level 1.3. student's satisfaction towards electronic books on many levels.
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