tayyorishlar

Mahsulot tavsifi

This book discusses scientific research methods, principles, empirical methods, and experiments

#empirik usul#ilmiy usul#prinsiplar

Muallif

Sotuvchi 291059Tasdiqlangan muallif
Hujjatlari
68 703
Sotilgan
3 143

O'xshash hujjatlar