Sub-Regional Workshop on the Development of Systems and Structures for Producing Textbooks and Other Related Teaching/Learning Materials (1984 : Bangkok). (1985). Textbooks and related teaching / learning materials for primary classes: A report, Bangkok, 17-24 September 1984. Unesco.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSub-Regional Workshop on the Development of Systems and Structures for Producing Textbooks and Other Related Teaching/Learning Materials (1984 : Bangkok). Textbooks and Related Teaching / Learning Materials for Primary Classes: A Report, Bangkok, 17-24 September 1984. Bangkok: Unesco, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSub-Regional Workshop on the Development of Systems and Structures for Producing Textbooks and Other Related Teaching/Learning Materials (1984 : Bangkok). Textbooks and Related Teaching / Learning Materials for Primary Classes: A Report, Bangkok, 17-24 September 1984. Unesco, 1985.