5-bo‘lim: ovqat atrofida toza bo‘ling va suv qayerdan keladi

Darslar 39–40 · 2 ta dars · Susannah Reed, Kay Bentley. Guess What! Student’s Book 4 (4-sinf), O‘zbekiston nashri, 2021. Cambridge University Press; O‘zbekiston Respublikasi Xalq ta’limi vazirligi, USAID