S. Sosidah, A. Tarmizi, A. C. U. P. Saragih, S. Riyadi, and A. Rojikun, “Analysis of Marketing Strategy of PT Sucofindo (Persero) Tbk in Increasing the Market Share of Calibration Services in Indonesia”, esaprom, vol. 4, no. 06, pp. 427–437, Jul. 2025.