“Impact of Intrinsic Motivation and Transformation Leadership on Employees Productive Behavior of Manufacture Company in Sidoarjo, Indonesia: Dampak Motivasi Intrinsik dan Kepemimpinan Transformasional Terhadap Perilaku Produktif Karyawan Perusahaan Manufaktur di Sidoarjo, Indonesia” (2019) Indonesian Journal of Law and Economics Review, 3, p. 10.21070/ijler.2019.V3.392. doi:10.21070/ijler.2019.V3.392.