The purposes of this research were to design contents build both document-based and electronic-based teaching materials and find out the students’ satisfaction towards the use of ASEAN Economic Community related lessons for English writing courses. The sample group consisted of two 30-student sections of totally 60 third-year undergraduate students majoring in English for International Communication faculty of Liberal Arts Rajamangala University of Technology Phra Nakhon. After they had tried using the lessons did the document-based exercises answered the first questionnaire tried the electronic-based exercises and answered the second questionnaire their data were analyzed and revealed as follows. 1. The analysis of the first questionnaire revealed that the students’ average satisfaction towards the English writing content lessons was in the highly middle level with 3.15 out of 5 points or 63 per cent. 2. The analysis of the first questionnaire also revealed that the students’ average satisfaction towards the English writing document-based exercises was again in the highly middle level with 3.38 out of 5 points or 67.67 per cent. 3. The analysis of the second questionnaire revealed that the students’ average satisfaction towards the English writing electronic-based exercises was in the high level with 3.65 out of 5 points or 72.98 per cent. In comparison there was a difference of 0.27 points or 5.31 per cent between the students’ satisfaction towards the electronic-based exercises and that towards the document-based exercises implying that the students preferred the electronic-based exercises to the document-based exercises.