Perbedaan perilaku structuring dalam interaksi ibu-anak usia toddler antara ibu berusia remaja yang mengalami kehamilan di luar pernikahan dan kehamilan terencana = The differnces of structuring behaviour in mother child interaction between planned pregnancy adolescent mother and premarital pregnancy adolescent mother with toddler / Risya Amarilia - Risya Amarilia, author (Fakultas Psikologi Universitas Indonesia, 2014)