Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Qing Liu, Xiuli Liu. Evaluating the Impacts of Universal Two-Child Policy on Beijing's Population. J. Systems Science & Complexity, 33(4):1126-1143, 2020. [doi]
Abstract is missing.