The intersection of hedonic and utilitarian values on integrated-social media retailers. - Gaffar Hafiz Sagala; Sumiyana (Int. J. Bus. Inf. Syst., 2020)

TPACK, Organizational Support, and Technostress in Explaining Teacher Performance During Fully Online Learning. - Indra Maipita; Faisal Rahman Dongoran; Dedy Husrizal Syah; Gaffar Hafiz Sagala (J. Inf. Technol. Educ. Res., 2023)

Toward SMEs digital transformation success: a systematic literature review. - Gaffar Hafiz Sagala; Dóra Ori (Inf. Syst. E Bus. Manag., 2024)