by Kuncoro, Amin, Astuti, Widji, Firdiansjah, Achmad
Published in Management science letters (2021)

by Apriyanto, G., Firdiansjah, A.
Published in Russian journal of agricultural and socio-economic sciences (31.08.2017)

by Oktaviani, Naulia, Astuti, Widji, Firdiansjah, Achmad
Published in Jurnal Manajemen dan Pemasaran Jasa (online) (01.04.2019)

by Mahendri, Wisnu, Darsono, Junianto Tjahjo, Firdiansjah, Achmad
Published in Budapest International Research and Critics Institute (BIRCI-Journal): Humanities and Social Sciences (29.07.2020)

by Rahayu, Menik Sri, Firdiansjah, Achmad, Respati, Harianto
Published in Jurnal Ilmiah Ekonomi Bisnis (03.12.2019)

by Sumarsono, Rizkhi, Firdiansjah, Achmad, Respati, Harianto
Published in Wiga : Jurnal Penelitian Ilmu Ekonomi (31.03.2018)

by Setyawan, Bagus, Apriyanto, Gaguk, Firdiansjah, Achmad
Published in Jurnal Riset Pendidikan Ekonomi (21.09.2020)