Penerapan prinsip Dir/Floortime untuk meningkatkan kemampuan memusatkan atensi pada anak dengan early onset attention-deficit/hyperactivity disorder (ADHD) = The application of DIR/Floortime principles to increase the ability to sustain attention on a child with early onset attention deficit hyperactivity disorder (ADHD) / Ratih Larasati - Ratih Larasati, author (Fakultas Psikologi Universitas Indonesia, 2013)