1. Retraction: Sylabus and Matrials Design for Vocational Student and Its Dissemination Using Website (J. Phys.: Conf. Ser.1114 012023). (7th February 2019) Authors: Harahap, Astro Julida; Ongko, Erianto; Kurnia, Dian; Manurung, Hotler; Hartono, H; Abdullah, Dahlan; Erliana, Cut Ita; Djanggih, Hardianto; Saddhono, Kundharu; Rianita, Dian; Setiawan, Muhammad Ikhsan; Setiawan, Yuliyanto Budi; Manurung, Rosida Tiurma; Sriadhi, S; Sinurat, Mangasi; Siregar, Aisya... Journal: Journal of physics Issue: Volume 1114(2018) Page Start: 012144 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗