Perhaps you should try some spelling variations:
integration effect » integration efforts, interaction effects, integrated effect
urban integration » european integration, urban migration, chain integration
2.3 communication » 3.2 communication, de communication, 4 communication
technology urban » technologies urban, technology uganda, sociology urban
developpement l » developpement il, developpement la, developpement de
effect from » effects from, expect from, effect firm
l afrique » en afrique
from 2.3 » from 2003, from 20, from 25

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology urban integration effect from 2.3 communication costs _ developpement l afrique.*.