Analisis implementasi kebijakan insentif pajak penghasilan untuk industri petrokimia bebasis migas dalam rangka peningkatan daya saing industri petrokimia nasional = The implementation analysis of the income tax incentives policy granted to oil and gas-based petrochemical industry to increase the competitiveness of national petrochemical industry - Arrum Dyah Aprilriana, author (Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012)