[1] Hymes, D.H., (1971), On Communicative Competence, In: J.B. Pride and J. Holmes (eds) Sociolinguistics, Penguin Books, Hardmondsworth.
[2] Savignon, S. J., (2018), Communicative competence, The TESOL encyclopedia of English language teaching, 1-7.
[3] Brown, C. E., Back, A. L., Ford, D. W., Kross, E. K., Downey, L., Shannon, S. E.,... & Engelberg, R. A., (2018), Self-assessment scores improve after simulation-based palliative care communication skill workshops, American Journal of Hospice and Palliative Medicine®, 35(1), 45-51.
[4] Pratama, A. I., & Astuti, B., (2020), Students’ communication skills in junior high school, Universal Journal of Educational Research, 8(12), 6798-6807.
[5] Elaine, Gereluk, Dressler, Roswita; Sandra, Eaton, Sarah; Dianne; Dressler; Becker, (April 30, 2017), A rural education teacher preparation program: course design, student support and engagement
[6] https://theo-dawson.medium.com/vuca-unpacked-2- collaborative-capacity-4d794378dd25
[7] European Union Agency for the Cooperation of Energy Regulators, (2020), Competency Framework, https:// www.acer.europa.eu/
[8] Sharma, A., & Anderson, C. W., (2009), Recontextualization of science from lab to school: Implications for science literacy, Science & Education, 18, 1253-1275.
[9] De Vito, C. L., (1992), Languages based on science, Acta Astronautica, 26(3-4), 267-271
[10] Sih, A., Bell, A. M., Johnson, J. C., & Ziemba, R. E., (2004), Behavioral syndromes: an integrative overview, The quarterly review of biology, 79(3), 241-277.
[11] Slavin, R. E., & Davis, N., (2006), Educational psychology: Theory and practice.
[12] Oecd, D., (2002), Glossary of key terms in evaluation and results based management, DAC Network on Development Evaluation, OECD, Paris.
[13] Covacevich, C., (2014), How to select an instrument for assessing student learning
[14] Mayhew, F., Swartz, N., & Taylor, J. A., (2014), Implementing a multi-method competency model: Experiences of the MPA program at James Madison University, Journal of Public Affairs Education, 20(3), 321-334.
[15] Lozano, L. M., García-Cueto, E., & Muñiz, J., (2008), Effect of the number of response categories on the reliability and validity of rating scales, Methodology, 4(2), 73-79
[16] Cameron, S., & Craig, C., (2014), Project-based learning tasks for common core state standards, grades 6-8, Mark Twain Media
[17] Ayu NOVİANA, A. N., & Undang Rosidin, U. R. Development and Validation of Collaboration and Communication Skills Assessment Instruments Based on Project-Based Learning, Journal of Gifted Education and Creativity.
[18] Sims, L., & Walsh, D., (2009), Lesson study with preservice teachers: Lessons from lessons, Teaching and teacher education, 25(5), 724-733.
[19] https://www.makingbusinessmatter.co.uk/wp-content/ uploads/2016/07/MBM-Competency-Frameworks-S
[20] European Union Agency for the Cooperation of Energy Regulators, (2020), https://www.acer.europa.eu/
[21] National Education Association, (2012), Preparing 21st century students for a global society: An educator’s guide to the “Four Cs”, National Education Association.
[22] Maryuningsih, Y., Hidayat, T., Riandi, R., & Rustaman, N., (2020), developing performance assessment instruments to measure 4C skills in online discussion activities of science learning, Scientiae Educatia: Jurnal Pendidikan Sains, 9(1), 109-120.