Philippines. Department of Science and Technology-Science Education Institute, University of the Philippines Diliman. National Institute for Science and Mathematics Education Development UP NISMED, Arciaga, V., De Guzman, F., Ogena, E. B., & Talisayon, V. M. (2000). TIMSS-like test items in science and mathematics: Overall coordinators, Violeta Arciaga, Fe De Guzman ; National Research Coordinators (TIMSS-R), Ester B. Ogena, Vivien M. Talisayon. Department of Science and Technology, Science Education Institute and University of the Philippines National Institute for Science and Mathematics Education Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. Department of Science and Technology-Science Education Institute, University of the Philippines Diliman. National Institute for Science and Mathematics Education Development UP NISMED, Violeta Arciaga, Fe De Guzman, Ester B. Ogena, और Vivien M. Talisayon. TIMSS-like Test Items in Science and Mathematics: Overall Coordinators, Violeta Arciaga, Fe De Guzman ; National Research Coordinators (TIMSS-R), Ester B. Ogena, Vivien M. Talisayon. Quezon City: Department of Science and Technology, Science Education Institute and University of the Philippines National Institute for Science and Mathematics Education Development, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. Department of Science and Technology-Science Education Institute, et al. TIMSS-like Test Items in Science and Mathematics: Overall Coordinators, Violeta Arciaga, Fe De Guzman ; National Research Coordinators (TIMSS-R), Ester B. Ogena, Vivien M. Talisayon. Department of Science and Technology, Science Education Institute and University of the Philippines National Institute for Science and Mathematics Education Development, 2000.