by Persada, C, Sitorus, S R P, Marimin, Djakapermana, R D
Published in IOP conference series. Earth and environmental science (01.03.2018)

by Sodikin, Sitorus, S R P, Prasetyo, L B, Kusmana, C
Published in IOP conference series. Earth and environmental science (01.02.2018)

by Kamagi, J W A, Sitorus, S R P, Arifin, H S, Hardjomidjojo, H
Published in IOP conference series. Earth and environmental science (01.11.2022)

by Ansahar, Sitorus, S R P, Hardjomidjojo, H, Putri, E I K
Published in IOP conference series. Earth and environmental science (01.01.2022)

by Narieswari, L, Sitorus, S R P, Hardjomidjojo, H, Putri, E I K
Published in IOP conference series. Earth and environmental science (01.05.2021)

by Sutrisna, M G, Sitorus, S R P, Widiatmaka, Marimin, Nurwajedi
Published in IOP conference series. Earth and environmental science (01.12.2019)

by Nurfaida, Arifin, H S, Sitorus, S R P, Eriyatno, and
Published in IOP conference series. Earth and environmental science (01.12.2019)

by Narieswari, L, Sitorus, S R P, Hardjomidjojo, H, K Putri, E I
Published in IOP conference series. Earth and environmental science (01.12.2019)

by R. Sardjadidjaja, S. R. P. Sitorus
Published in Buletin peternakan (01.04.2004)

by Sardjadidjaja, R., Sitorus, S. R. P.
Published in Buletin peternakan (04.04.2004)