Angga Ade, Permana and Firdaus, Muhammad and Dimyati, Muhaimin (2020) Application of Customer Relationship Marketing Toward Customer Loyalty Through Trust In Bank. WIGA - Jurnal Penelitian Ilmu Ekonomi, WIGA - Jurnal Penelitian Ilmu Ekonomi.

Firdaus, Muhammad and Suherman, Suherman and Wahyudi, Farid and Sauqi, Ahmad and Widaninggar, Nanda (2020) Large Chili Agribusiness Development Strategy in Jember District. The Mattingley Publishing Co., Inc.

Firdaus, Muhammad and Suherman, Suherman and Wahyudi, Farid and Sauqi, Ahmad and Widaninggar, Nanda (2019) Keuntungan Usahatani Cabai Besar Di Kabupaten Jember. JEDI ( Journal Of Economic Development Issues ).