Simatupang, Jones Tonggor, Selviana Enjelita Sitompul, and Helena Tatcher Pakpahan. 2026. “Factors Influencing Purchasing Decisions for UD Marroan’s Crispy Peanuts, Siwaluompu Village, Tarutung District, North Tapanuli Regency”. AGRICOLA 16 (3), 289-95. https://doi.org/10.35724/ag.v16i3.7809.