共 50 条
- [1] Intramural and external R&D: evidence for complementarity or substitutability [J]. Economia Politica, 2018, 35 : 555 - 577
- [7] Substitutability and Complementarity of Municipal Electric Bike Sharing Systems against Other Forms of Urban Transport [J]. APPLIED SCIENCES-BASEL, 2021, 11 (15):
- [8] Valuing Built Cultural Heritage in a Malaysian Urban Context [J]. ASIAN CONFERENCE ON ENVIRONMENT-BEHAVIOUR STUDIES (ACE-BS 2014 SEOUL), 2015, 170 : 381 - 389