Ma’ruza rejasi: XIX asrning to‘rtinchi choragida jahon agrar inqirozi va uning ahamiyati. Ikkinchi ilmiy-texnika inqilobi va jahon ishlab chiqarish kuchlarining rivojlanishi (Ma’ruza rejasi: The importance of world agricultural revolution in the fourth stage of the XIX century. The development of the world production forces and its significance.)