-
1دورية
المؤلفون: Limbong, Tonni, Simarmata, Janner, Tambunan, ARS, Siagian, Parulian, Panjaitan, Joel, Siagian, Lestina, Sitorus, Erbin, Frans, Marvin, Hutabarat, Sakti, Suganda, Abba, and, Girsang, Lumbanbatu, Katen
المصدر: IOP Conference Series: Materials Science and Engineering; September 2018, Vol. 420 Issue: 1 p012094-012094, 1p
-
2دورية
المؤلفون: Simarmata, Janner, Tambunan, ARS, Silalahi, Tauada, Siregar, Ellys, Widarma, Adi, Syahputra, Fahmy, Saragih, Bahagia, Andayani, Widya, Fadli, Zen, Khairani, Fauziah, Maulana, Bagoes, Simanihuruk, Lidia, Keristiana, Enny
المصدر: IOP Conference Series: Materials Science and Engineering; September 2018, Vol. 420 Issue: 1 p012136-012136, 1p