by Mizera, Čestmír, Aleš, Zdeněk, Herák, David, Hrabě, Petr, Kabutey, Abraham, Napitupulu, Richard A. M., Ungureanu, Nicoleta
Published in Processes (01.10.2023)

by Manurung, Charles SP, Napitupulu, Richard AM
Published in IOP conference series. Materials Science and Engineering (01.09.2017)

by Setyawan, EkoYohanes, Kurniawan, Arif, Rahmadianto, Febi, Napitupulu, Richard A. M, Siagian, Parulian
Published in IOP conference series. Materials Science and Engineering (01.07.2020)

by Napitupulu, Richard A. M., Ginting, Sibuk, Naibaho, Waldemar, Sihombing, Suryadi, Tarigan, Nikodemus, Kabutey, Abraham
Published in IOP conference series. Materials Science and Engineering (01.01.2020)

by Qadry, Al, Hutagalung, Tommy, Harry, Kevinta J.M, Napitupulu, Richard A. M., Ambarita, Himsar
Published in IOP conference series. Materials Science and Engineering (01.01.2020)

by Setyawan, Eko Y., Napitupulu, Richard A.M., Siagian, Parulian, Ambarita, Himsar
Published in IOP conference series. Materials Science and Engineering (01.09.2017)

by Napitupulu, Richard A.M.
Published in IOP conference series. Materials Science and Engineering (01.09.2017)

by Setyawan, Eko Yohanes, Asroni, Mochtar, Djiwo, Soeparno, Anam, Asroful, Napitupulu, Richard A. M., Siagian, Parulian
Published in IOP conference series. Materials Science and Engineering (01.10.2018)

by Ambarita, Himsar, Peranginangin, Siwan E., Napitupulu, Richard A. M., Tampubolon, Miduk, Sihombing, Hendrik V.
Published in IOP conference series. Materials Science and Engineering (01.10.2018)

by Napitupulu, Richard A M, Simanjuntak, Sutan L M H, Manurung, Charles, Hutabarat, Chilinton, Sitompul, S, Aoh, J N
Published in IOP conference series. Materials Science and Engineering (01.04.2019)

by Siregar, Wandro, Siagian, Parulian, Rong-Shine, Lin, Napitupulu, Richard AM, Tampubolon, Miduk, Simanjuntak, Sutan LMH
Published in IOP conference series. Materials Science and Engineering (01.07.2020)

by Manurung, Charles SP, Ambarita, Himsar, Manurung, Yupiter H.P., Napitupulu, Farel, Napitupulu, Richard AM
Published in IOP conference series. Materials Science and Engineering (01.01.2020)

by Setyawan, Eko Yohanes, Djiwo, Soeparno, Saputro, Sandi, Napitupulu, Richard A. M, Siagian, Parulian, Panjaitan, Joel, Litiloly, Rochani
Published in IOP conference series. Materials Science and Engineering (01.12.2020)

by Siagian, Parulian, Setyawan, Eko Y, Napitupulu, Richard A M, Gultom, Tumiur, Panjaitan, Jusman, Simamora, Vidya
Published in IOP conference series. Materials Science and Engineering (01.01.2020)

by Siagian, Parulian, Napitupulu, Richard A M, Sihombing, H V, Setiawan, Eko Y, Hilton Siahaan, Saloom, Sinaga, Risma, Anwar Syahputra, Syofyan
Published in IOP conference series. Materials Science and Engineering (01.12.2020)

by Siagian, Parulian, Napitupulu, Richard A. M., Tampubolon, Miduk, Siagian, Lestina
Published in SPROCKET JOURNAL OF MECHANICAL ENGINEERING (12.02.2023)

by Napitupulu, Richard A M, Manurung, Charles S.P, Sembiring, Chossi
Published in SPROCKET JOURNAL OF MECHANICAL ENGINEERING (18.08.2022)

by Simanjuntak, J P, Napitupulu, Richard A M, Lumbangaol, Partahi
Published in SPROCKET JOURNAL OF MECHANICAL ENGINEERING (25.02.2022)

by Yohanes Setyawan, Eko, Ismail Nakhoda, Yusuf, Siagian, Parulian, Napitupulu, Richard A.M.
Published in IOP conference series. Materials Science and Engineering (01.07.2020)

by Marbun, Frince, Napitupulu, Richard A.M., Manurung, Charles SP, Simanjuntak, Sutan, Kao, Yung-Chou
Published in IOP conference series. Materials Science and Engineering (01.07.2020)