Gerwis mengirim Suwarti dan Darmini ke konferensi pembelaan anak di Wina, Harian Rakjat 8 April 1952
Gerwis sends Suwarti and Darmini to child-defence conference in Vienna (Harian Rakjat, 8 April 1952)
Harian Rakjat, 8 Apr 1952, p.3-4: Gerwis, led by Umi Sardjono (PB Gerwis), hosts a reception in Jakarta for organisations and officials, including Health Ministry's Dr Syulianti, to prepare a national committee for child defence; Trimurti speaks on child labour and schooling. Gerwis delegates Suwarti and Darmini (alrea