Abdul Fattah Nasution, Hadawiyanti Sinaga, Shakila Putri Suhara, Yudha Pramata Nst. PENGARUH MANAJEMEN PEMBELAJARAN TERHADAP KONSENTRASI BELAJAR SISWA DI SMK NEGERI 1 PERCUT SEI TUAN. CES [Internet]. 2026 Feb. 28 [cited 2026 Apr. 16];4(1). Available from: http://www.cemarajournal.com/journal/index.php/ces/article/view/200