Kebijakan pembebasan pajak pertambahan nilai atas bahan baku pakan ternak unggas dan ikan dari by product gandum (Studi kasus pada Asosiasi Produsen Tepung Terigu Indonesia (APTINDO)) = The policy of value added tax exemption on raw material's animal feed from by product of wheat (Case study on Association of Indonesian Wheat Flour Producer (APTINDO) / Merissa Puspa Safira (Universitas Indonesia. Fakultas Ilmu Sosial dan Ilmu Politik, 2014)