Tatiana, Y., M. Firdaus, H. Siregar, and H. Hariyoga. “Determinant Factors of Agricultural Industry Investment in Province Bengkulu, Indonesia”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 23, no. 2, July 2015, pp. 312-23, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4305.