by P Sitompul, Johnner, Widayat, Widayat, H. Soerawidjaja, Tatang
Published in International journal of renewable energy development (01.02.2012)

by Mardiah, Zahara, Hutauruk, Ivando, Setyawan, Febri, Shofinita, Dian, Sitompul, Johnner P.
Published in Biomass conversion and biorefinery (01.04.2024)

by Adityawarman, Dendy, Fujiyama, Vika, Woo Lee, Hyung, Gumilang Dewi, Retno, Sitompul, Johnner P.
Published in IOP conference series. Materials Science and Engineering (01.04.2021)

by Paramith, Tika, P Sitompul, Johnner, Woo Lee, Hyung
Published in International journal of engineering & technology (Dubai) (05.09.2018)

by Sitompul, Johnner P, Insyani, Rizki, Woo Lee, Hyung
Published in Reaktor (Semarang, Indonesia) (01.12.2014)

by Rahman, Hamidah, Anggadiredja, Kusnandar, Sitompul, Johnner P., Gusdinar, Tutus
Published in Procedia food science (2015)

by RAHMAN, HAMIDAH, SITOMPUL, JOHNNER P., TJOKRODININGRAT, SURYATI
Published in Biodiversitas (Surakarta) (11.04.2022)

by Tika Paramitha, Johnner P. Sitompul
Published in Kovalen: Jurnal Riset Kimia (01.09.2020)

by Paramitha, Tika, Sitompul, Johnner P.
Published in Kovalen: Jurnal Riset Kimia (01.09.2020)

Published in Agriculture and natural resources (Bangkok, Thailand) (01.03.2022)

by Johnner P. Sitompul, Chrismono Himawan, Agus Wanadri
Published in Journal of mathematical and fundamental sciences (01.01.2019)

by Gultom, Hizkia M V, Paramitha, Tika, Sitompul, Johnner P
Published in IOP conference series. Materials Science and Engineering (01.04.2021)

by Rahman, Hamidah, ANGGADIREDJA, KUSNANDAR, GUSDINAR, TUTUS, SITOMPUL, JOHNNER P., TURSINO, TURSINO
Published in Nusantara biosciences ( Electronic Edition) (12.11.2020)

by Dewi, Retno G., Zunita, Megawati, Priyadi, Permata A., Sitompul, Michael D.M., Shabrina, Annisa N., Akhiroti, Faiq I., Sitompul, Johnner
Published in Journal of Engineering and Technological Sciences (01.01.2021)

by Sitompul, Johnner, Gusdinar, Tutus, Anggadiredja, Kusnandar, Rahman, Hamidah, Tursino, Tursino
Published in Journal of Engineering and Technological Sciences (01.01.2018)

by Simangunsong, Daniel I., Hutapea, Try H. A., Lee, Hyung Woo, Ahn, Jung Oh, Sitompul, Johnner
Published in Journal of Engineering and Technological Sciences (01.01.2018)

by Sitompul, Johnner P., Insyani, Rizky, Prasetyo, Daniel, Prajitno, Hermawan, Lee, Hyung Woo
Published in Journal of Engineering and Technological Sciences (01.01.2016)

by Paramitha, Tika, Sitompul, Johnner P
Published in JKPK (Jurnal Kimia dan Pendidikan Kimia) (31.12.2020)

by Sitompul, Johnner P., Istyami, A.N., Muhtadi, R., Lee, H.W.
Published in Journal of Engineering and Technological Sciences (01.01.2015)

by Sitompul, Johnner P., Lee, Hyung Woo, Kim, Yook Chan, Chang, Matthew W.
Published in Journal of Engineering and Technological Sciences (01.04.2013)