Rancang Bangun Sistem Informasi Manajemen Public Relations dalam Mempertahankan Loyalitas Pelanggan Berbasis Prototype Pada PT. Zinkpower Austrindo Cabang Cikande. IPSSJ [Internet]. 2026 Sep. 30 [cited 2026 Oct. 21];3(09 September):849-60. Available from: https://ipssj.com/index.php/ojs/article/view/2067