TY - BOOK AU - S.P. Singh TI - Principles of Vegetable Production SN - 81-85680-27-2 U1 - 635.1 PY - 1997/// CY - Udaipur PB - Agrotech Publishing Acadamy N1 - S.P. Singh: Principles of Vegetable Production. Udaipur. Agrotech Publishing Acadamy, 1997. 81-85680-27-2--(635.1SIN) ER -