K. ihwan, Yusriwarti, and Roberta Zulfhi Surya, “IMPLEMENTASI METODE SWOT&QSPM (QUANTITATIVE STRATEGIC PLANNING MATRIX PADA ANALISA KEPUTUSAN INVESTASI KOMODITAS KELAPA (Cocos Nucifera L) DI KABUPATEN INDRAGIRI HILIR”, jupel, vol. 4, no. 3, pp. 146-159, Oct. 2022.