Pengaruh pemasangan spalk bermotif terhadap tingkat kooperatif anak usia pra sekolah selama prosedur injeksi intra vena di rumah sakit wilayah Cilacap = The influence of installation spalk patterned as the level of cooperative pre-school age children during the injection intra venous procedure in a hospital Cilacap region - Ahmad Subandi, author (2012)