Abadi, 4 Februari 1952, hlm. 2: Panitia Hari Solidaritas Pemuda Dunia
Abadi, 4 February 1952, p. 2: World Youth Solidarity Day Committee
Abadi, 4 Feb 1952, p. 2: provisional committee including Gerwis, Lekra and Pemuda Rakjat to celebrate 21 February 1952 world youth solidarity day.