Wirastuti, Astari, and Hamdani Surachman. “KEBIJAKAN STABILISASI HARGA MINYAK GORENG”. Buletin Ilmiah Litbang Perdagangan, vol. 3, no. 1, July 2009, pp. 111-32, https://jurnal.kemendag.go.id/index.php/bilp/article/view/174.