Hariweni, T., M. Ali, S. Sofyani, and I. Lubis. “Knowledge, Attitude, and Practice of Underfive Children Stimulation of Working and Nonworking Mothers”. Paediatrica Indonesiana, Vol. 44, no. 2, Oct. 2016, pp. 51-4, doi:10.14238/pi44.2.2004.51-4.