Siregar, N., Harahap, S. and Handayani, S. (2026) “The Effects of Application Intervals and Foliar Fertilizer Concentrations on the Growth and Yield of Soybean (Glycine max L.)”, International Journal of Science and Society, 8(4), pp. 722-732. doi: 10.54783/ijsoc.v8i4.1786.