SIAGIAN, Ade Onny. Analisis Jaringan Antara Pengembangan Produk dan Kualitas Pelayanan dengan Kepuasan Pelanggan PT. Adhi Karya Jakarta. Journal Economy and Currency Study (JECS), [S. l.], v. 2, n. 2, p. 34–43, 2021. Disponível em: https://pusdikra-publishing.com/index.php/jecs/article/view/115. Acesso em: 1 aug. 2025.