Sardjana Orba Manullang
Observed names: Manullang, Sardjana Orba, SARDJANA ORBA MANULLANG, Sardjana Manullang, Sardjana Orba Manullang Manullang, Sarjana Orba Manullang, Sarjdana Orba Manullang
Institution: Universitas Krisnadwipayana
ORCID: 0000-0002-5391-0759
Observed ORCID: 0000-0002-5391-0759
OpenAlex ID: A5089916168
