Hutagalung, E.U., Librianto, D., Gumay, S., Muthalib, A. and Budiatmoko, B. 2003. Periosteal osteosarcoma: A case report. Medical Journal of Indonesia. 12, 3 (Aug. 2003), 166-70. DOI:https://doi.org/10.13181/mji.v12i3.104.