[7] They later cast Ratna in Booloo (1938) as a native Sakai girl and already completed half of the filming production in Singapore and British Malaya as of 4 March 1938.

[7] When Booloo was released in July 1938, Ratna's role was replaced by Mamo Clark in the new version which was recorded in Hollywood.

[9] The couple earned 1,000 gulden each for their role in the resulting film, Kartinah (1940), Andjar as director and Ratna as its star.

[12] In an interview with Minggu Pagi, she said that she was influenced by her favorite Hollywood stars such as Greta Garbo, Barbara Stanwyck, Vivien Leigh, and Greer Garson.

[16] She died at St. Carolus Hospital in Senen, Central Jakarta, on 10 August 1968, after suffered complication from a long period illness at the age of 55.

[18] Her funeral was held at Blok P Cemetery in Kebayoran Baru, South Jakarta, on the evening of 11 August, and was attended by Usmar Ismail.

[18] After Ratna, only five female directors appeared in Indonesian cinema until near the end of the 20th century: Roostijati, Sofia W.D., Chitra Dewi, Ida Farida, and Rima Melati.

[21] After the fall of Suharto in 1998, the number of women directors has increased dramatically,[20] with several of them receiving national and international recognition.