Pangestuning Tyas, Trisna. “Description of Mother’s Knowledge Level About Toddlers Child Nutrition (1-3 Years) in Mumbulsari Village, Mumbulsari District, Jember Regency 2012”. Jurnal Kesehatan Dr. Soebandi, vol. 1, no. 1, Apr. 2013, pp. 01-05, https://journal.uds.ac.id/jkds/article/view/6.