ba-1-year-calculus-and-ordinary-differential-equation-0958-jun-2019.pdf GJUST HISAR Question Paper and solutions, GJUST Guru Jambheshwar University of Science and Technology गुरु जम्भेश्वर विज्ञान और प्रौद्योगिकी विश्वविद्यालय, हिसार, हरियाणा