Keputusan Presiden Nomor 92 Tahun 1998 tentang Pengesahan Montreal Protocol on Substances that Deplete the Ozone Layer, Copenhagen 1992 (Protokol Montreal tentang Zat-Zat yang Merusak Lapisan Ozon, Copenhagen 1992);
Presidential Decree Number 92 of 1998 on Ratification of the Montreal Protocol on Substances that Deplete the Ozone Layer, Copenhagen 1992 (Montreal Protocol on substances that damage the ozone layer, Copenhagen, 1992);
Presidential Decree No. 92 of 1998 on Ratification of the Montreal Protocol on Substances that Deplete the Ozone Layer, Copenhagen, 1992 (Montreal Protocol on Substances that Deplete the Ozone Layer, Copenhagen 1992);