A. S. Simatupang and M. Siregar, “Developing English Reading Descriptive Text Materials Based on Scientific Approach for Grade X Students of Computer and Network Engineering Study Program at SMKS Harapan Al-Washliyah Sigambal”, Rand. Inter. Edu. Ling. Sci. J., vol. 3, no. 3, pp. 448-456, Sep. 2022.