Dimatulac, O. et al. 2026. Whistles, Words, and Willpower: How Coach Etiquette Relates to Intrinsic and Extrinsic Sport Motivation among Collegiate Softball And Baseball Athletes. INSPIREE: Indonesian Sport Innovation Review. 7, 01 (Jan. 2026), 59–65. DOI:https://doi.org/10.53905/inspiree.v7i01.167.