Analisis pengaruh ulasan media sosial dan promosi penjualan terhadap loyalitas pelanggan pada pelayanan purnajual studi kasus: PT Toyota-Astra Motor = Analysis of impact of social media review and sales promotion to customer loyalty in after sales service case study PT. Toyota-Astra Motor

Strategi Implementasi Customer Relationship Management (CRM) oleh Account Executive dalam Meningkatkan Loyalitas Pelanggan di PT Debindo Mega Promo = Implementation Strategy of Customer Relationship Management (CRM) by Account Executives in Enhancing Customer Loyalty at PT Debindo Mega Promo

Pengaruh electronic customer relationship management (e-CRM) terhadap e-loyalty melalui e-satisfaction: studi pada website Garuda Indonesia = The effect of electronic customer relationship management (e-CRM) toward e-loyalty through e-satisfaction: study on website of Garuda Indonesia

The CRM handbook : a business guide to customer relationship management

Strategic Customer Management: integrating relationship marketing and CRM