Kim, B. (2001). Social constructivism. Emerging perspectives on learning, teaching, and technology, 1(1), 16.
I particularly like the box at the bottom that describes the relationships between the different constructivist concepts.
McLeod, S. (2018). Bruner - Learning theory in education. SimplyPsychology. Retrieved from https://www.simplypsychology.org/bruner.html
Tafoya, A. (2012, November 17). Bruner's constructivist theory [Video file]
Bruner, J. (2014, October 9). Jerome Bruner - How does teaching influence learning?.
McLeod, S. (2018). Lev Vygotsky. SimplyPsychology. Retrieved from https://www.simplypsychology.org/vygotsky.html
Sochacki, C. (2017, June 5). Vygotsky's social interaction [Video file].
Amineh, R. J., & Asl, H. D. (2015). Review of constructivism and social constructivism. Journal of Social Sciences, Literature and Languages, 1(1), 9-16