References:

1. Simmons R, Fajans P, Ghiron L, (Eds). Scaling up health service delivery: from pilot innovations to policies and programs. Geneva, World Health Organization, 2007:vii–xvii

Mangham LJ and Hanson K.  Scaling up in international health: what are the key issues? Health Policy and Planning 2010; 25:85-96

2. Eaton J, McCay L, Semrau M, Chatterjee S, Baingana F, Araya R, Ntulo C, Thornicroft G, Saxena S. Scale up of services for mental health in low-income and middle-income countries. Lancet 2011; 378 (9802): 1592-1603.