Bakhtieva, Elina. “B2B Digital Marketing Strategy: A Framework for Assessing Digital Touchpoints and Increasing Customer Loyalty Based on Austrian Companies from Heating, Ventilation and Air Conditioning Industry”. Oeconomia Copernicana 8, no. 3 (September 30, 2017): 463?478. Accessed January 26, 2025. https://journals.economic-research.pl/oc/article/view/252.