Metode penelitian kualitatif & kuantitatif

 Hardani; Helmina Andriani; Jumari Ustiawaty; Evi Fatmi Utami; Ria Rahmatul Istiqomah; Roushandy Asri Fardani; Dhika Juliana Sukmana; Nur Hikmatul Auliya;

Yogyakarta : Pustaka Ilmu , 2020