SIMANJUNTAK, R. A.; MUTMAINAH, I.; RUMNA, R. Exploring How Trust, Celebrity Endorser, Perceived Benefit Affect Impulse Buying Behaviour of Head and Soulders Shampoo: The Moderating Effect of Perceived Price. Jurnal EMT KITA, v. 10, n. 1, p. 185–199, 1 Jan.2026.