Nur Awaliyah Suci, Jeni Sukmal, Erni Manja Hasibuan. The Effect of Consumer Friendship and Completeness of Building Material Products on the Decision of Buying In-terest in the Prima Baja Aek Tapa Rantauprapat Building Materials Store. Ijemr [Internet]. 2025 May 7 [cited 2025 May 14];4(2):212-23. Available from: https://ijemr.asia/index.php/ijemr/article/view/371