Arina Setyaningtyas and Hanna Dyahferi Anomsari and Retno Asih Setyoningrum and Landia Setiawati (2008) Profile of Community Acquired Pneumonia in Children at Soetomo Hospital Surabaya in 2006. In: 14th Indonesian Congress of Pediatrics KONIKA 2008. Indonesian Pediatric Society-East Java Branch, Surabaya, pp. 1-4. ISBN 978-979-18092-1-4

Retno Wulandari and Retno Asih Setyoningrum and Makmuri MS and Landia Setiawati (2008) Laringomalacia in Soetomo Hospital Surabaya. In: 14th Indonesian Congress of Pediatrics KONIKA 2008. Indonesian Pediatric Society-East Java Branch, Surabaya, pp. 1-4. ISBN 978-979-18092-1-4

Endyt Purwandari and Makmuri and Retno Asih Setyoningrum and Landia Setiawati (2008) The Profile of Bone and Joint Tuberculosis in Soetomo Hospital 2003-2007. In: 14th Indonesian Congress of Pediatrics KONIKA 2008. Indonesian Pediatric Society-East Java Branch, Surabaya, pp. 1-4. ISBN 978-979-18092-1-4