Ida Royani, “PENGARUH HARD SKIL DAN SOFT SKILL TERHADAP KINERJA PEGAWAI DINAS PENANAMAN MODAL DAN PELAYANAN TERPADU SATU PINTU KABUPATEN ROKAN HULU DI ERA REVOLUSI INDUSTRI 4.0: EFFECT OF HARD SKIL AND SOFT SKILL ON THE PERFORMANCE OF EMPLOYEES IN THE INVESTMENT SERVICE AND INTEGRATED ONE-DOOR SERVICES OF ROKAN HULU DISTRICT IN THE ERA OF THE INDUSTRIAL REVOLUTION 4.0”, HJIMB, vol. 4, no. 1, pp. 643–658, Feb. 2022.