Nadda, A.L. Supply response of a perennial crop : A study of Himachal apples - Himachal Pradesh University 1984 - 176p. + C D - 40 Subjects--Topical Terms: APPLE TREE//APPLEAPPLE - HIMACHAL PRADESHPERENNIALS - HIMACHAL PRADESHPLANTS, CULTIVATED///PERENNIALS Dewey Class. No.: TN.0073