1. Research design: qualitative, quantitative, and mixed methods approaches Creswell, John W., Los Angeles, California ; SAGE Publications, Inc., [2023] SW510 PSY510 CP607 SOC221 SOC400
2. The craft of writing in sociology: developing the argument in undergraduate essays and dissertations Balmer, Andrew S., 1983- Manchester : Manchester University Press, 2017 SOC400
3. Different under God: a survey of church-going protestants in Singapore Chong, Terence. Singapore : ISEAS Pub., 2013 SOC400