Ga $\dot n$ $\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle\cdot}$}}{m} $ $\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle\cdot}$}}{s} $ $\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle\cdot}$}}{n} $ na of VY?PTI (1) · Study