(Year 2015; face to face health facility interview; Jabodetabek involved pregnant woman and mother and health worker; 900 pregnant woman and mother and 120 health workers)
(Year 2013 and Year 2014; face to face house to house interview and FGD; 3 cities involved program beneficiaries; 330 respondents and 6 groups)
(Year 2012; face to face house to house interview; nationwide survey involve 11 Provinces; 400 respondents and 6 groups)
(Year 2011; face to face house to house interview; 5 cities; 400 respondents)