by Siregar, I
Published in Journal of physics. Conference series (01.12.2019)

by Siregar, I
Published in Journal of physics. Conference series (01.12.2019)

by Siregar, I
Published in IOP conference series. Materials Science and Engineering (01.05.2020)

by Siregar, I
Published in IOP conference series. Materials Science and Engineering (01.10.2019)

by Siregar, I
Published in IOP conference series. Materials Science and Engineering (01.10.2019)

by Siregar, I
Published in IOP conference series. Materials Science and Engineering (01.08.2019)

by Hidayatullah, M, Herdiyeni, Y, Siregar, IZ
Published in Journal of tropical forest science (01.01.2023)

by Siregar, I P, Marliati, N
Published in Journal of physics. Conference series (01.03.2021)

by Nasution, T H, Muchtar, M A, Seniman, S, Siregar, I
Published in Journal of physics. Conference series (01.06.2019)

by Marpongahtun, Siregar, I. P. H, Irham, W. H, Saragih, S. W
Published in Rasāyan journal of chemistry (01.04.2023)

by Julio, L, Ratna, W S, Siregar, I R, Pranowo, W
Published in IOP conference series. Earth and environmental science (01.08.2023)

by Nasution, T H, Siregar, I, Yasir, M
Published in Journal of physics. Conference series (01.10.2017)

by Yunanto, T, Amanah, F, Siregar, I Z
Published in IOP conference series. Earth and environmental science (01.11.2021)

by Siregar, I I, Budiyono, Slamet, I
Published in Journal of physics. Conference series (01.11.2018)

by Elsahida, K, Fauzi, A M, Sailah, I, Siregar, I Z
Published in IOP conference series. Earth and environmental science (01.12.2019)

by Aldi, M, Silaen, N, Siregar, I R, Dhaifullah, D, Suhardja, S K, Madrinovella, I
Published in IOP conference series. Earth and environmental science (01.08.2023)

by Suryanto, Nurrochmat, DR, Tarigan, SD, Siregar, IZ, Yassir, I, Tandio, T, Abdulah, L
Published in IOP conference series. Earth and environmental science (01.12.2023)

by Siregar, I, Rizkya, I, Sari, Rahmi M, Syahputri, Khalida
Published in IOP conference series. Materials Science and Engineering (01.05.2020)

by Lubis, H, Sharman, E, Chairina, E, Siregar, I, Rizky, M, Maiya, D, Machdhalie, T
Published in Journal of physics. Conference series (01.01.2020)

by Sudrajat, D J, Ayyasy, Y, Siregar, I Z, Karlinasari, L
Published in IOP conference series. Earth and environmental science (01.11.2021)