Kelayakan Finansial Produksi True Shallot Seed di Indonesia (Studi kasus : Sumatera Utara, Jawa Timur, dan Jawa Tengah) [Financial Feasibility of True Shallot Seed Production in Indonesia (Case Study : North Sumatera, East Java, and Central Java)] - Sembiring, Asma; Balai Penelitian Tanaman Sayuran (Indonesian Center for Horticulture Research and Development, 2018)