1. Abramo, G., & D’Angelo, C. A. (2011). Evaluating research: From informed peer review to bibliometrics. Scientometrics, 87, 499–514.
2. Achachi, H., & Bouabid, H. (2021). Research unit size and internal co-publications. 18th international conference on scientometrics and informetrics, ISSI 2021, 31–40.
3. Achachi, H., Amor, Z. D., Mehkhancha, C. C., Cherraj, M., Bouabid, H., Selmanovic, S., & Larivière, V. (2016). Factoring affecting researcher’s collaborative patterns: A case study from Maghreb universities. The Canadian Journal of Information and Library Science, 40, 234–253.
4. Aparecido, D. A., & Kannebley Junior, S. (2019). Scientific productivity and patenting at the laboratory level: An analysis of Brazilian public research laboratories. Economics of Innovation and New Technology, 29(2), 1–21.
5. Beaver, D. B., & Rosen, R. (1978). Studies in scientific collaboration, I. The professional origins of scientific co-authorship. Scientometrics, 1(1), 65–84.