by Limbong, Tonni, Simarmata, Janner, Tambunan, ARS, Siagian, Parulian, Panjaitan, Joel, Siagian, Lestina, Sitorus, Erbin, Sakti Hutabarat, Marvin Frans, Girsang, Abba Suganda, Lumbanbatu, Katen
Published in IOP conference series. Materials Science and Engineering (01.10.2018)

by Simarmata, Janner, Sriadhi, Tambunan, ARS, Silalahi, Tauada, Siregar, Ellys, Widarma, Adi, Syahputra, Fahmy, Saragih, Bahagia, Andayani, Widya, Fadli, Zen, Lubis, Fauziah Khairani, Maulana, Bagoes, Simanihuruk, Lidia, Sinaga, Enny Keristiana
Published in IOP conference series. Materials Science and Engineering (01.10.2018)

by Simarmata, Janner S, Limbong, Tonni, Tambunan, ARS, Purnama Simanjuntak, Mariati, Limbong, Riswan, Purnomo, Agung, Devi Kumalasari, Riesta, Anam, Fatkul, Khoifulloh, K, Nisa, Khairun, Aryni, Yen, Nirmala Purba, Oktaviana, Ariwisanto Sianturi, Fricles, Tarigan, Pilippus, Napitupulu, Efendi
Published in International journal of engineering & technology (Dubai) (20.06.2018)