- Volume 4 Issue 1
- Bello, W. (2016, February 16). Philippine Daily Inquirer.
- David, R. (2015, July 30). Revisiting 'daang matuwid'. Philippine Daily Inquirer. Retrieved from http://opinion.inquirer.net/87159/revisiting-daang-matuwid
- Lee, W. O. (2009 June 23). Chair professors public lecture series: Conceptualizing citizenship and citizenship education: A trajectory of exploring Asian perspectives. The Hongkong Institute of Education. 4-52. Retrieved from http://libdr1.ied.edu.hk/pubdata
- Lumauig, G. (February 23, 2016). Political realignments. Philippine Daily Inquirer. Retrieved from http://opinion.inquirer.net/93108/political-realignments
- Republic of the Philippines, Department of Education (DO 41, s 2003). Values Education in the Basic Education Curriculum.
- UNESCO (1998). Citizenship Education for the 21st century.